Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

50 files changed, 6307 insertions, 0 deletions

diff --git a/meshmc/launcher/ui/dialogs/AboutDialog.cpp b/meshmc/launcher/ui/dialogs/AboutDialog.cpp
new file mode 100644
index 0000000000..45fdcf6bc5
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/AboutDialog.cpp
@@ -0,0 +1,146 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AboutDialog.h"
+#include "ui_AboutDialog.h"
+#include <QIcon>
+#include "Application.h"
+#include "BuildConfig.h"
+
+#include <net/NetJob.h>
+
+#include "HoeDown.h"
+#include "MMCStrings.h"
+
+namespace
+{
+	// Credits
+	QString getCreditsHtml()
+	{
+		QFile dataFile(":/documents/credits.html");
+		if (!dataFile.open(QIODevice::ReadOnly)) {
+			qWarning() << "Failed to open file" << dataFile.fileName()
+					   << "for reading:" << dataFile.errorString();
+			return {};
+		}
+		QString fileContent = QString::fromUtf8(dataFile.readAll());
+		dataFile.close();
+
+		return fileContent.arg(
+			QObject::tr("%1 Developers").arg(BuildConfig.MESHMC_DISPLAYNAME),
+			QObject::tr("MultiMC Developers"));
+	}
+
+	QString getLicenseHtml()
+	{
+		QFile dataFile(":/documents/COPYING.md");
+		if (dataFile.open(QIODevice::ReadOnly)) {
+			HoeDown hoedown;
+			QString output = hoedown.process(dataFile.readAll());
+			dataFile.close();
+			return output;
+		} else {
+			qWarning() << "Failed to open file" << dataFile.fileName()
+					   << "for reading:" << dataFile.errorString();
+			return QString();
+		}
+	}
+
+} // namespace
+
+AboutDialog::AboutDialog(QWidget* parent)
+	: QDialog(parent), ui(new Ui::AboutDialog)
+{
+	ui->setupUi(this);
+
+	QString launcherName = BuildConfig.MESHMC_DISPLAYNAME;
+
+	setWindowTitle(tr("About %1").arg(launcherName));
+
+	QString chtml = getCreditsHtml();
+	ui->creditsText->setHtml(Strings::htmlListPatch(chtml));
+
+	QString lhtml = getLicenseHtml();
+	ui->licenseText->setHtml(Strings::htmlListPatch(lhtml));
+
+	ui->urlLabel->setOpenExternalLinks(true);
+
+	ui->icon->setPixmap(APPLICATION->getThemedIcon("logo").pixmap(64));
+	ui->title->setText(launcherName);
+
+	ui->versionLabel->setText(BuildConfig.printableVersionString());
+
+	if (!BuildConfig.BUILD_PLATFORM.isEmpty())
+		ui->platformLabel->setText(tr("Platform") + ": " +
+								   BuildConfig.BUILD_PLATFORM);
+	else
+		ui->platformLabel->setVisible(false);
+
+	if (!BuildConfig.GIT_COMMIT.isEmpty())
+		ui->commitLabel->setText(tr("Commit: %1").arg(BuildConfig.GIT_COMMIT));
+	else
+		ui->commitLabel->setVisible(false);
+
+	if (!BuildConfig.BUILD_DATE.isEmpty())
+		ui->buildDateLabel->setText(
+			tr("Build date: %1").arg(BuildConfig.BUILD_DATE));
+	else
+		ui->buildDateLabel->setVisible(false);
+
+	if (!BuildConfig.VERSION_CHANNEL.isEmpty())
+		ui->channelLabel->setText(tr("Channel") + ": " +
+								  BuildConfig.VERSION_CHANNEL);
+	else
+		ui->channelLabel->setVisible(false);
+
+	QString urlText(
+		"<html><head/><body><p><a href=\"%1\">%1</a></p></body></html>");
+	ui->urlLabel->setText(urlText.arg(BuildConfig.MESHMC_GIT));
+
+	QString copyText("© 2026 %1");
+	ui->copyLabel->setText(copyText.arg(BuildConfig.MESHMC_COPYRIGHT));
+
+	connect(ui->closeButton, &QPushButton::clicked, this, &AboutDialog::close);
+
+	connect(ui->aboutQt, &QPushButton::clicked, &QApplication::aboutQt);
+}
+
+AboutDialog::~AboutDialog()
+{
+	delete ui;
+}
diff --git a/meshmc/launcher/ui/dialogs/AboutDialog.h b/meshmc/launcher/ui/dialogs/AboutDialog.h
new file mode 100644
index 0000000000..c4a4dcaa7b
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/AboutDialog.h
@@ -0,0 +1,62 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <net/NetJob.h>
+
+namespace Ui
+{
+	class AboutDialog;
+}
+
+class AboutDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit AboutDialog(QWidget* parent = 0);
+	~AboutDialog();
+
+  private:
+	Ui::AboutDialog* ui;
+
+	NetJob::Ptr netJob;
+	QByteArray dataSink;
+};
diff --git a/meshmc/launcher/ui/dialogs/AboutDialog.ui b/meshmc/launcher/ui/dialogs/AboutDialog.ui
new file mode 100644
index 0000000000..b4eb31e982
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/AboutDialog.ui
@@ -0,0 +1,335 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>AboutDialog</class>
+ <widget class="QDialog" name="AboutDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>573</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>450</width>
+    <height>400</height>
+   </size>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="icon">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>64</width>
+         <height>64</height>
+        </size>
+       </property>
+       <property name="baseSize">
+        <size>
+         <width>64</width>
+         <height>64</height>
+        </size>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="title">
+     <property name="font">
+      <font>
+       <pointsize>15</pointsize>
+      </font>
+     </property>
+     <property name="text">
+      <string notr="true">MeshMC</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item alignment="Qt::AlignHCenter">
+    <widget class="QLabel" name="versionLabel">
+     <property name="cursor">
+      <cursorShape>IBeamCursor</cursorShape>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::TextSelectableByMouse</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QTabWidget" name="tabWidget">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="aboutTab">
+      <attribute name="title">
+       <string>About</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_5">
+       <item>
+        <widget class="QLabel" name="aboutLabel">
+         <property name="enabled">
+          <bool>true</bool>
+         </property>
+         <property name="text">
+          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;A custom launcher that makes managing Minecraft easier by allowing you to have multiple instances of Minecraft at once.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLabel" name="urlLabel">
+         <property name="font">
+          <font>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string notr="true">GIT URL</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLabel" name="copyLabel">
+         <property name="font">
+          <font>
+           <pointsize>8</pointsize>
+           <kerning>true</kerning>
+          </font>
+         </property>
+         <property name="text">
+          <string notr="true">COPYRIGHT</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="Line" name="line">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+        </widget>
+       </item>
+       <item alignment="Qt::AlignHCenter">
+        <widget class="QLabel" name="platformLabel">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
+         </property>
+         <property name="text">
+          <string>Platform:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+       <item alignment="Qt::AlignHCenter">
+        <widget class="QLabel" name="buildDateLabel">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
+         </property>
+         <property name="text">
+          <string>Build Date:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+       <item alignment="Qt::AlignHCenter">
+        <widget class="QLabel" name="commitLabel">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
+         </property>
+         <property name="text">
+          <string>Commit:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+       <item alignment="Qt::AlignHCenter">
+        <widget class="QLabel" name="channelLabel">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
+         </property>
+         <property name="text">
+          <string>Channel:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>212</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="creditsTab">
+      <attribute name="title">
+       <string>Credits</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QTextBrowser" name="creditsText">
+         <property name="openExternalLinks">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="licenseTab">
+      <attribute name="title">
+       <string>License</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QTextEdit" name="licenseText">
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>DejaVu Sans Mono</family>
+          </font>
+         </property>
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::TextBrowserInteraction</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QPushButton" name="aboutQt">
+       <property name="autoFillBackground">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string>About Qt</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_3">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="closeButton">
+       <property name="text">
+        <string>Close</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>tabWidget</tabstop>
+  <tabstop>creditsText</tabstop>
+  <tabstop>licenseText</tabstop>
+  <tabstop>aboutQt</tabstop>
+  <tabstop>closeButton</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/BlockedModsDialog.cpp b/meshmc/launcher/ui/dialogs/BlockedModsDialog.cpp
new file mode 100644
index 0000000000..884c1d186d
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/BlockedModsDialog.cpp
@@ -0,0 +1,178 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "BlockedModsDialog.h"
+
+#include <QDesktopServices>
+#include <QDir>
+#include <QFont>
+#include <QGridLayout>
+#include <QScrollArea>
+#include <QStandardPaths>
+#include <QUrl>
+
+BlockedModsDialog::BlockedModsDialog(QWidget* parent, const QString& title,
+									 const QString& text,
+									 QList<BlockedMod>& mods)
+	: QDialog(parent), m_mods(mods)
+{
+	setWindowTitle(title);
+	setMinimumSize(550, 300);
+	resize(620, 420);
+	setWindowModality(Qt::WindowModal);
+
+	auto* mainLayout = new QVBoxLayout(this);
+
+	// Description label at top
+	auto* descLabel = new QLabel(text, this);
+	descLabel->setWordWrap(true);
+	mainLayout->addWidget(descLabel);
+
+	// Scrollable area for mod list
+	auto* scrollArea = new QScrollArea(this);
+	scrollArea->setWidgetResizable(true);
+
+	auto* scrollWidget = new QWidget();
+	auto* grid = new QGridLayout(scrollWidget);
+	grid->setColumnStretch(0, 3); // mod name
+	grid->setColumnStretch(1, 1); // status
+	grid->setColumnStretch(2, 0); // button
+
+	// Header row
+	auto* headerName = new QLabel(tr("<b>Mod</b>"), scrollWidget);
+	auto* headerStatus = new QLabel(tr("<b>Status</b>"), scrollWidget);
+	grid->addWidget(headerName, 0, 0);
+	grid->addWidget(headerStatus, 0, 1);
+
+	for (int i = 0; i < m_mods.size(); i++) {
+		int row = i + 1;
+
+		auto* nameLabel = new QLabel(m_mods[i].fileName, scrollWidget);
+		nameLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
+
+		auto* statusLabel = new QLabel(tr("Missing"), scrollWidget);
+		statusLabel->setStyleSheet("color: #cc3333; font-weight: bold;");
+
+		auto* downloadBtn = new QPushButton(tr("Download"), scrollWidget);
+		connect(downloadBtn, &QPushButton::clicked, this,
+				[this, i]() { openModDownload(i); });
+
+		grid->addWidget(nameLabel, row, 0);
+		grid->addWidget(statusLabel, row, 1);
+		grid->addWidget(downloadBtn, row, 2);
+
+		m_rows.append({nameLabel, statusLabel, downloadBtn});
+	}
+
+	// Add stretch at bottom of grid
+	grid->setRowStretch(m_mods.size() + 1, 1);
+
+	scrollWidget->setLayout(grid);
+	scrollArea->setWidget(scrollWidget);
+	mainLayout->addWidget(scrollArea, 1);
+
+	// Button box at bottom
+	m_buttons = new QDialogButtonBox(
+		QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
+	m_buttons->button(QDialogButtonBox::Ok)->setText(tr("Continue"));
+	m_buttons->button(QDialogButtonBox::Ok)->setEnabled(false);
+	connect(m_buttons, &QDialogButtonBox::accepted, this, &QDialog::accept);
+	connect(m_buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
+	mainLayout->addWidget(m_buttons);
+
+	setLayout(mainLayout);
+
+	// Set up Downloads folder watching
+	setupWatch();
+
+	// Initial scan
+	scanDownloadsFolder();
+}
+
+void BlockedModsDialog::setupWatch()
+{
+	m_downloadDir =
+		QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
+	if (!m_downloadDir.isEmpty() && QDir(m_downloadDir).exists()) {
+		m_watcher.addPath(m_downloadDir);
+		connect(&m_watcher, &QFileSystemWatcher::directoryChanged, this,
+				&BlockedModsDialog::onDownloadDirChanged);
+	}
+}
+
+void BlockedModsDialog::onDownloadDirChanged(const QString& path)
+{
+	Q_UNUSED(path);
+	scanDownloadsFolder();
+}
+
+void BlockedModsDialog::scanDownloadsFolder()
+{
+	if (m_downloadDir.isEmpty())
+		return;
+
+	QDir dir(m_downloadDir);
+	QStringList files = dir.entryList(QDir::Files);
+
+	for (int i = 0; i < m_mods.size(); i++) {
+		if (!m_mods[i].found && files.contains(m_mods[i].fileName)) {
+			m_mods[i].found = true;
+		}
+	}
+
+	updateModStatus();
+}
+
+void BlockedModsDialog::updateModStatus()
+{
+	bool allFound = true;
+
+	for (int i = 0; i < m_mods.size(); i++) {
+		if (m_mods[i].found) {
+			m_rows[i].statusLabel->setText(QString::fromUtf8("\u2714 ") +
+										   tr("Found"));
+			m_rows[i].statusLabel->setStyleSheet(
+				"color: #33aa33; font-weight: bold;");
+			m_rows[i].downloadButton->setEnabled(false);
+		} else {
+			m_rows[i].statusLabel->setText(tr("Missing"));
+			m_rows[i].statusLabel->setStyleSheet(
+				"color: #cc3333; font-weight: bold;");
+			m_rows[i].downloadButton->setEnabled(true);
+			allFound = false;
+		}
+	}
+
+	m_buttons->button(QDialogButtonBox::Ok)->setEnabled(allFound);
+}
+
+void BlockedModsDialog::openModDownload(int index)
+{
+	if (index < 0 || index >= m_mods.size())
+		return;
+
+	const auto& mod = m_mods[index];
+	QString url =
+		QString("https://www.curseforge.com/api/v1/mods/%1/files/%2/download")
+			.arg(mod.projectId)
+			.arg(mod.fileId);
+	QDesktopServices::openUrl(QUrl(url));
+}
diff --git a/meshmc/launcher/ui/dialogs/BlockedModsDialog.h b/meshmc/launcher/ui/dialogs/BlockedModsDialog.h
new file mode 100644
index 0000000000..77db2fc11b
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/BlockedModsDialog.h
@@ -0,0 +1,74 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <QFileSystemWatcher>
+#include <QLabel>
+#include <QPushButton>
+#include <QDialogButtonBox>
+#include <QVBoxLayout>
+
+struct BlockedMod {
+	int projectId;
+	int fileId;
+	QString fileName;
+	QString targetPath;
+	bool found = false;
+};
+
+class BlockedModsDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit BlockedModsDialog(QWidget* parent, const QString& title,
+							   const QString& text, QList<BlockedMod>& mods);
+
+	/// Returns the list of mods with updated `found` status
+	QList<BlockedMod>& resultMods()
+	{
+		return m_mods;
+	}
+
+  private slots:
+	void onDownloadDirChanged(const QString& path);
+	void openModDownload(int index);
+
+  private:
+	void scanDownloadsFolder();
+	void updateModStatus();
+	void setupWatch();
+
+	QList<BlockedMod>& m_mods;
+	QString m_downloadDir;
+	QFileSystemWatcher m_watcher;
+
+	struct ModRow {
+		QLabel* nameLabel;
+		QLabel* statusLabel;
+		QPushButton* downloadButton;
+	};
+	QList<ModRow> m_rows;
+
+	QDialogButtonBox* m_buttons;
+};
diff --git a/meshmc/launcher/ui/dialogs/CopyInstanceDialog.cpp b/meshmc/launcher/ui/dialogs/CopyInstanceDialog.cpp
new file mode 100644
index 0000000000..926f0b00a1
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/CopyInstanceDialog.cpp
@@ -0,0 +1,157 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QLayout>
+#include <QPushButton>
+
+#include "Application.h"
+#include "CopyInstanceDialog.h"
+#include "ui_CopyInstanceDialog.h"
+
+#include "ui/dialogs/IconPickerDialog.h"
+
+#include "BaseVersion.h"
+#include "icons/IconList.h"
+#include "tasks/Task.h"
+#include "BaseInstance.h"
+#include "InstanceList.h"
+
+CopyInstanceDialog::CopyInstanceDialog(InstancePtr original, QWidget* parent)
+	: QDialog(parent), ui(new Ui::CopyInstanceDialog), m_original(original)
+{
+	ui->setupUi(this);
+	resize(minimumSizeHint());
+	layout()->setSizeConstraint(QLayout::SetFixedSize);
+
+	InstIconKey = original->iconKey();
+	ui->iconButton->setIcon(APPLICATION->icons()->getIcon(InstIconKey));
+	ui->instNameTextBox->setText(original->name());
+	ui->instNameTextBox->setFocus();
+	auto groupList = APPLICATION->instances()->getGroups();
+	groupList.removeDuplicates();
+	groupList.sort(Qt::CaseInsensitive);
+	groupList.removeOne("");
+	groupList.push_front("");
+	ui->groupBox->addItems(groupList);
+	int index = groupList.indexOf(
+		APPLICATION->instances()->getInstanceGroup(m_original->id()));
+	if (index == -1) {
+		index = 0;
+	}
+	ui->groupBox->setCurrentIndex(index);
+	ui->groupBox->lineEdit()->setPlaceholderText(tr("No group"));
+	ui->copySavesCheckbox->setChecked(m_copySaves);
+	ui->keepPlaytimeCheckbox->setChecked(m_keepPlaytime);
+}
+
+CopyInstanceDialog::~CopyInstanceDialog()
+{
+	delete ui;
+}
+
+void CopyInstanceDialog::updateDialogState()
+{
+	auto allowOK = !instName().isEmpty();
+	auto OkButton = ui->buttonBox->button(QDialogButtonBox::Ok);
+	if (OkButton->isEnabled() != allowOK) {
+		OkButton->setEnabled(allowOK);
+	}
+}
+
+QString CopyInstanceDialog::instName() const
+{
+	auto result = ui->instNameTextBox->text().trimmed();
+	if (result.size()) {
+		return result;
+	}
+	return QString();
+}
+
+QString CopyInstanceDialog::iconKey() const
+{
+	return InstIconKey;
+}
+
+QString CopyInstanceDialog::instGroup() const
+{
+	return ui->groupBox->currentText();
+}
+
+void CopyInstanceDialog::on_iconButton_clicked()
+{
+	IconPickerDialog dlg(this);
+	dlg.execWithSelection(InstIconKey);
+
+	if (dlg.result() == QDialog::Accepted) {
+		InstIconKey = dlg.selectedIconKey;
+		ui->iconButton->setIcon(APPLICATION->icons()->getIcon(InstIconKey));
+	}
+}
+
+void CopyInstanceDialog::on_instNameTextBox_textChanged(const QString& arg1)
+{
+	updateDialogState();
+}
+
+bool CopyInstanceDialog::shouldCopySaves() const
+{
+	return m_copySaves;
+}
+
+void CopyInstanceDialog::on_copySavesCheckbox_stateChanged(int state)
+{
+	if (state == Qt::Unchecked) {
+		m_copySaves = false;
+	} else if (state == Qt::Checked) {
+		m_copySaves = true;
+	}
+}
+
+bool CopyInstanceDialog::shouldKeepPlaytime() const
+{
+	return m_keepPlaytime;
+}
+
+void CopyInstanceDialog::on_keepPlaytimeCheckbox_stateChanged(int state)
+{
+	if (state == Qt::Unchecked) {
+		m_keepPlaytime = false;
+	} else if (state == Qt::Checked) {
+		m_keepPlaytime = true;
+	}
+}
diff --git a/meshmc/launcher/ui/dialogs/CopyInstanceDialog.h b/meshmc/launcher/ui/dialogs/CopyInstanceDialog.h
new file mode 100644
index 0000000000..adbbbd36fb
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/CopyInstanceDialog.h
@@ -0,0 +1,80 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include "BaseVersion.h"
+#include <BaseInstance.h>
+
+class BaseInstance;
+
+namespace Ui
+{
+	class CopyInstanceDialog;
+}
+
+class CopyInstanceDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit CopyInstanceDialog(InstancePtr original, QWidget* parent = 0);
+	~CopyInstanceDialog();
+
+	void updateDialogState();
+
+	QString instName() const;
+	QString instGroup() const;
+	QString iconKey() const;
+	bool shouldCopySaves() const;
+	bool shouldKeepPlaytime() const;
+
+  private slots:
+	void on_iconButton_clicked();
+	void on_instNameTextBox_textChanged(const QString& arg1);
+	void on_copySavesCheckbox_stateChanged(int state);
+	void on_keepPlaytimeCheckbox_stateChanged(int state);
+
+  private:
+	Ui::CopyInstanceDialog* ui;
+	QString InstIconKey;
+	InstancePtr m_original;
+	bool m_copySaves = true;
+	bool m_keepPlaytime = true;
+};
diff --git a/meshmc/launcher/ui/dialogs/CopyInstanceDialog.ui b/meshmc/launcher/ui/dialogs/CopyInstanceDialog.ui
new file mode 100644
index 0000000000..f4b191e272
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/CopyInstanceDialog.ui
@@ -0,0 +1,182 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CopyInstanceDialog</class>
+ <widget class="QDialog" name="CopyInstanceDialog">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>345</width>
+    <height>323</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Copy Instance</string>
+  </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>:/icons/toolbar/copy</normaloff>:/icons/toolbar/copy</iconset>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="iconBtnLayout">
+     <item>
+      <spacer name="iconBtnLeftSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QToolButton" name="iconButton">
+       <property name="icon">
+        <iconset>
+         <normaloff>:/icons/instances/grass</normaloff>:/icons/instances/grass</iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>80</width>
+         <height>80</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="iconBtnRightSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="instNameTextBox">
+     <property name="placeholderText">
+      <string>Name</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
+      <widget class="QLabel" name="labelVersion_3">
+       <property name="text">
+        <string>&amp;Group</string>
+       </property>
+       <property name="buddy">
+        <cstring>groupBox</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1" colspan="2">
+      <widget class="QComboBox" name="groupBox">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="editable">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QCheckBox" name="copySavesCheckbox">
+     <property name="text">
+      <string>Copy saves</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QCheckBox" name="keepPlaytimeCheckbox">
+     <property name="text">
+      <string>Keep play time</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>iconButton</tabstop>
+  <tabstop>instNameTextBox</tabstop>
+  <tabstop>groupBox</tabstop>
+  <tabstop>copySavesCheckbox</tabstop>
+  <tabstop>keepPlaytimeCheckbox</tabstop>
+ </tabstops>
+ <resources>
+  <include location="../../graphics.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>CopyInstanceDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>CopyInstanceDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/CustomMessageBox.cpp b/meshmc/launcher/ui/dialogs/CustomMessageBox.cpp
new file mode 100644
index 0000000000..80a87d8d0b
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/CustomMessageBox.cpp
@@ -0,0 +1,59 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "CustomMessageBox.h"
+
+namespace CustomMessageBox
+{
+	QMessageBox* selectable(QWidget* parent, const QString& title,
+							const QString& text, QMessageBox::Icon icon,
+							QMessageBox::StandardButtons buttons,
+							QMessageBox::StandardButton defaultButton)
+	{
+		QMessageBox* messageBox = new QMessageBox(parent);
+		messageBox->setWindowTitle(title);
+		messageBox->setText(text);
+		messageBox->setStandardButtons(buttons);
+		messageBox->setDefaultButton(defaultButton);
+		messageBox->setTextInteractionFlags(Qt::TextSelectableByMouse);
+		messageBox->setIcon(icon);
+		messageBox->setTextInteractionFlags(Qt::TextBrowserInteraction);
+
+		return messageBox;
+	}
+} // namespace CustomMessageBox
diff --git a/meshmc/launcher/ui/dialogs/CustomMessageBox.h b/meshmc/launcher/ui/dialogs/CustomMessageBox.h
new file mode 100644
index 0000000000..18656c71db
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/CustomMessageBox.h
@@ -0,0 +1,50 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QMessageBox>
+
+namespace CustomMessageBox
+{
+	QMessageBox* selectable(
+		QWidget* parent, const QString& title, const QString& text,
+		QMessageBox::Icon icon = QMessageBox::NoIcon,
+		QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+		QMessageBox::StandardButton defaultButton = QMessageBox::NoButton);
+}
diff --git a/meshmc/launcher/ui/dialogs/EditAccountDialog.cpp b/meshmc/launcher/ui/dialogs/EditAccountDialog.cpp
new file mode 100644
index 0000000000..30e9f142f9
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/EditAccountDialog.cpp
@@ -0,0 +1,85 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "EditAccountDialog.h"
+#include "ui_EditAccountDialog.h"
+#include <DesktopServices.h>
+#include <QUrl>
+
+EditAccountDialog::EditAccountDialog(const QString& text, QWidget* parent,
+									 int flags)
+	: QDialog(parent), ui(new Ui::EditAccountDialog)
+{
+	ui->setupUi(this);
+
+	ui->label->setText(text);
+	ui->label->setVisible(!text.isEmpty());
+
+	ui->userTextBox->setEnabled(flags & UsernameField);
+	ui->passTextBox->setEnabled(flags & PasswordField);
+}
+
+EditAccountDialog::~EditAccountDialog()
+{
+	delete ui;
+}
+
+void EditAccountDialog::on_label_linkActivated(const QString& link)
+{
+	DesktopServices::openUrl(QUrl(link));
+}
+
+void EditAccountDialog::setUsername(const QString& user) const
+{
+	ui->userTextBox->setText(user);
+}
+
+QString EditAccountDialog::username() const
+{
+	return ui->userTextBox->text();
+}
+
+void EditAccountDialog::setPassword(const QString& pass) const
+{
+	ui->passTextBox->setText(pass);
+}
+
+QString EditAccountDialog::password() const
+{
+	return ui->passTextBox->text();
+}
diff --git a/meshmc/launcher/ui/dialogs/EditAccountDialog.h b/meshmc/launcher/ui/dialogs/EditAccountDialog.h
new file mode 100644
index 0000000000..ac1af0efbf
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/EditAccountDialog.h
@@ -0,0 +1,78 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+
+namespace Ui
+{
+	class EditAccountDialog;
+}
+
+class EditAccountDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit EditAccountDialog(const QString& text = "", QWidget* parent = 0,
+							   int flags = UsernameField | PasswordField);
+	~EditAccountDialog();
+
+	void setUsername(const QString& user) const;
+	void setPassword(const QString& pass) const;
+
+	QString username() const;
+	QString password() const;
+
+	enum Flags {
+		NoFlags = 0,
+
+		//! Specifies that the dialog should have a username field.
+		UsernameField,
+
+		//! Specifies that the dialog should have a password field.
+		PasswordField,
+	};
+
+  private slots:
+	void on_label_linkActivated(const QString& link);
+
+  private:
+	Ui::EditAccountDialog* ui;
+};
diff --git a/meshmc/launcher/ui/dialogs/EditAccountDialog.ui b/meshmc/launcher/ui/dialogs/EditAccountDialog.ui
new file mode 100644
index 0000000000..e87509bcbc
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/EditAccountDialog.ui
@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EditAccountDialog</class>
+ <widget class="QDialog" name="EditAccountDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>148</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Login</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string notr="true">Message label placeholder.</string>
+     </property>
+     <property name="textFormat">
+      <enum>Qt::RichText</enum>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse|Qt::TextBrowserInteraction|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="userTextBox">
+     <property name="placeholderText">
+      <string>Email</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="passTextBox">
+     <property name="echoMode">
+      <enum>QLineEdit::Password</enum>
+     </property>
+     <property name="placeholderText">
+      <string>Password</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>EditAccountDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>EditAccountDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/ExportInstanceDialog.cpp b/meshmc/launcher/ui/dialogs/ExportInstanceDialog.cpp
new file mode 100644
index 0000000000..059c994dfd
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ExportInstanceDialog.cpp
@@ -0,0 +1,462 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ExportInstanceDialog.h"
+#include "ui_ExportInstanceDialog.h"
+#include <BaseInstance.h>
+#include <MMCZip.h>
+#include <QFileDialog>
+#include <QMessageBox>
+#include <qfilesystemmodel.h>
+
+#include <QSortFilterProxyModel>
+#include <QDebug>
+#include <qstack.h>
+#include <QSaveFile>
+#include "MMCStrings.h"
+#include "SeparatorPrefixTree.h"
+#include "Application.h"
+#include <icons/IconList.h>
+#include <FileSystem.h>
+
+class PackIgnoreProxy : public QSortFilterProxyModel
+{
+	Q_OBJECT
+
+  public:
+	PackIgnoreProxy(InstancePtr instance, QObject* parent)
+		: QSortFilterProxyModel(parent)
+	{
+		m_instance = instance;
+	}
+	// NOTE: Sadly, we have to do sorting ourselves.
+	bool lessThan(const QModelIndex& left, const QModelIndex& right) const
+	{
+		QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+		if (!fsm) {
+			return QSortFilterProxyModel::lessThan(left, right);
+		}
+		bool asc = sortOrder() == Qt::AscendingOrder ? true : false;
+
+		QFileInfo leftFileInfo = fsm->fileInfo(left);
+		QFileInfo rightFileInfo = fsm->fileInfo(right);
+
+		if (!leftFileInfo.isDir() && rightFileInfo.isDir()) {
+			return !asc;
+		}
+		if (leftFileInfo.isDir() && !rightFileInfo.isDir()) {
+			return asc;
+		}
+
+		// sort and proxy model breaks the original model...
+		if (sortColumn() == 0) {
+			return Strings::naturalCompare(leftFileInfo.fileName(),
+										   rightFileInfo.fileName(),
+										   Qt::CaseInsensitive) < 0;
+		}
+		if (sortColumn() == 1) {
+			auto leftSize = leftFileInfo.size();
+			auto rightSize = rightFileInfo.size();
+			if ((leftSize == rightSize) ||
+				(leftFileInfo.isDir() && rightFileInfo.isDir())) {
+				return Strings::naturalCompare(leftFileInfo.fileName(),
+											   rightFileInfo.fileName(),
+											   Qt::CaseInsensitive) < 0
+						   ? asc
+						   : !asc;
+			}
+			return leftSize < rightSize;
+		}
+		return QSortFilterProxyModel::lessThan(left, right);
+	}
+
+	virtual Qt::ItemFlags flags(const QModelIndex& index) const
+	{
+		if (!index.isValid())
+			return Qt::NoItemFlags;
+
+		auto sourceIndex = mapToSource(index);
+		Qt::ItemFlags flags = sourceIndex.flags();
+		if (index.column() == 0) {
+			flags |= Qt::ItemIsUserCheckable;
+			if (sourceIndex.model()->hasChildren(sourceIndex)) {
+				flags |= Qt::ItemIsAutoTristate;
+			}
+		}
+
+		return flags;
+	}
+
+	virtual QVariant data(const QModelIndex& index,
+						  int role = Qt::DisplayRole) const
+	{
+		QModelIndex sourceIndex = mapToSource(index);
+
+		if (index.column() == 0 && role == Qt::CheckStateRole) {
+			QFileSystemModel* fsm =
+				qobject_cast<QFileSystemModel*>(sourceModel());
+			auto blockedPath = relPath(fsm->filePath(sourceIndex));
+			auto cover = blocked.cover(blockedPath);
+			if (!cover.isNull()) {
+				return QVariant(Qt::Unchecked);
+			} else if (blocked.exists(blockedPath)) {
+				return QVariant(Qt::PartiallyChecked);
+			} else {
+				return QVariant(Qt::Checked);
+			}
+		}
+
+		return sourceIndex.data(role);
+	}
+
+	virtual bool setData(const QModelIndex& index, const QVariant& value,
+						 int role = Qt::EditRole)
+	{
+		if (index.column() == 0 && role == Qt::CheckStateRole) {
+			Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
+			return setFilterState(index, state);
+		}
+
+		QModelIndex sourceIndex = mapToSource(index);
+		return QSortFilterProxyModel::sourceModel()->setData(sourceIndex, value,
+															 role);
+	}
+
+	QString relPath(const QString& path) const
+	{
+		QString prefix = QDir().absoluteFilePath(m_instance->instanceRoot());
+		prefix += '/';
+		if (!path.startsWith(prefix)) {
+			return QString();
+		}
+		return path.mid(prefix.size());
+	}
+
+	bool setFilterState(QModelIndex index, Qt::CheckState state)
+	{
+		QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+
+		if (!fsm) {
+			return false;
+		}
+
+		QModelIndex sourceIndex = mapToSource(index);
+		auto blockedPath = relPath(fsm->filePath(sourceIndex));
+		bool changed = false;
+		if (state == Qt::Unchecked) {
+			// blocking a path
+			auto& node = blocked.insert(blockedPath);
+			// get rid of all blocked nodes below
+			node.clear();
+			changed = true;
+		} else if (state == Qt::Checked || state == Qt::PartiallyChecked) {
+			if (!blocked.remove(blockedPath)) {
+				auto cover = blocked.cover(blockedPath);
+				qDebug() << "Blocked by cover" << cover;
+				// uncover
+				blocked.remove(cover);
+				// block all contents, except for any cover
+				QModelIndex rootIndex = fsm->index(
+					FS::PathCombine(m_instance->instanceRoot(), cover));
+				QModelIndex doing = rootIndex;
+				int row = 0;
+				QStack<QModelIndex> todo;
+				while (1) {
+					auto node = fsm->index(row, 0, doing);
+					if (!node.isValid()) {
+						if (!todo.size()) {
+							break;
+						} else {
+							doing = todo.pop();
+							row = 0;
+							continue;
+						}
+					}
+					auto relpath = relPath(fsm->filePath(node));
+					if (blockedPath.startsWith(relpath)) // cover found?
+					{
+						// continue processing cover later
+						todo.push(node);
+					} else {
+						// or just block this one.
+						blocked.insert(relpath);
+					}
+					row++;
+				}
+			}
+			changed = true;
+		}
+		if (changed) {
+			// update the thing
+			emit dataChanged(index, index, {Qt::CheckStateRole});
+			// update everything above index
+			QModelIndex up = index.parent();
+			while (1) {
+				if (!up.isValid())
+					break;
+				emit dataChanged(up, up, {Qt::CheckStateRole});
+				up = up.parent();
+			}
+			// and everything below the index
+			QModelIndex doing = index;
+			int row = 0;
+			QStack<QModelIndex> todo;
+			while (1) {
+				auto node = doing.model()->index(row, 0, doing);
+				if (!node.isValid()) {
+					if (!todo.size()) {
+						break;
+					} else {
+						doing = todo.pop();
+						row = 0;
+						continue;
+					}
+				}
+				emit dataChanged(node, node, {Qt::CheckStateRole});
+				todo.push(node);
+				row++;
+			}
+			// siblings and unrelated nodes are ignored
+		}
+		return true;
+	}
+
+	bool shouldExpand(QModelIndex index)
+	{
+		QModelIndex sourceIndex = mapToSource(index);
+		QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+		if (!fsm) {
+			return false;
+		}
+		auto blockedPath = relPath(fsm->filePath(sourceIndex));
+		auto found = blocked.find(blockedPath);
+		if (found) {
+			return !found->leaf();
+		}
+		return false;
+	}
+
+	void setBlockedPaths(QStringList paths)
+	{
+		beginResetModel();
+		blocked.clear();
+		blocked.insert(paths);
+		endResetModel();
+	}
+
+	const SeparatorPrefixTree<'/'>& blockedPaths() const
+	{
+		return blocked;
+	}
+
+  protected:
+	bool filterAcceptsColumn(int source_column,
+							 const QModelIndex& source_parent) const
+	{
+		Q_UNUSED(source_parent)
+
+		// adjust the columns you want to filter out here
+		// return false for those that will be hidden
+		if (source_column == 2 || source_column == 3)
+			return false;
+
+		return true;
+	}
+
+  private:
+	InstancePtr m_instance;
+	SeparatorPrefixTree<'/'> blocked;
+};
+
+ExportInstanceDialog::ExportInstanceDialog(InstancePtr instance,
+										   QWidget* parent)
+	: QDialog(parent), ui(new Ui::ExportInstanceDialog), m_instance(instance)
+{
+	ui->setupUi(this);
+	auto model = new QFileSystemModel(this);
+	proxyModel = new PackIgnoreProxy(m_instance, this);
+	loadPackIgnore();
+	proxyModel->setSourceModel(model);
+	auto root = instance->instanceRoot();
+	ui->treeView->setModel(proxyModel);
+	ui->treeView->setRootIndex(proxyModel->mapFromSource(model->index(root)));
+	ui->treeView->sortByColumn(0, Qt::AscendingOrder);
+
+	connect(proxyModel, SIGNAL(rowsInserted(QModelIndex, int, int)),
+			SLOT(rowsInserted(QModelIndex, int, int)));
+
+	model->setFilter(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs |
+					 QDir::Hidden);
+	model->setRootPath(root);
+	auto headerView = ui->treeView->header();
+	headerView->setSectionResizeMode(QHeaderView::ResizeToContents);
+	headerView->setSectionResizeMode(0, QHeaderView::Stretch);
+}
+
+ExportInstanceDialog::~ExportInstanceDialog()
+{
+	delete ui;
+}
+
+/// Save icon to instance's folder is needed
+void SaveIcon(InstancePtr m_instance)
+{
+	auto iconKey = m_instance->iconKey();
+	auto iconList = APPLICATION->icons();
+	auto mmcIcon = iconList->icon(iconKey);
+	if (!mmcIcon || mmcIcon->isBuiltIn()) {
+		return;
+	}
+	auto path = mmcIcon->getFilePath();
+	if (!path.isNull()) {
+		QFileInfo inInfo(path);
+		FS::copy(path, FS::PathCombine(m_instance->instanceRoot(),
+									   inInfo.fileName()))();
+		return;
+	}
+	auto& image = mmcIcon->m_images[mmcIcon->type()];
+	auto& icon = image.icon;
+	auto sizes = icon.availableSizes();
+	if (sizes.size() == 0) {
+		return;
+	}
+	auto areaOf = [](QSize size) { return size.width() * size.height(); };
+	QSize largest = sizes[0];
+	// find variant with largest area
+	for (auto size : sizes) {
+		if (areaOf(largest) < areaOf(size)) {
+			largest = size;
+		}
+	}
+	auto pixmap = icon.pixmap(largest);
+	pixmap.save(FS::PathCombine(m_instance->instanceRoot(), iconKey + ".png"));
+}
+
+bool ExportInstanceDialog::doExport()
+{
+	auto name = FS::RemoveInvalidFilenameChars(m_instance->name());
+
+	const QString output = QFileDialog::getSaveFileName(
+		this, tr("Export %1").arg(m_instance->name()),
+		FS::PathCombine(QDir::homePath(), name + ".zip"), "Zip (*.zip)",
+		nullptr, QFileDialog::DontConfirmOverwrite);
+	if (output.isEmpty()) {
+		return false;
+	}
+	if (QFile::exists(output)) {
+		int ret = QMessageBox::question(
+			this, tr("Overwrite?"),
+			tr("This file already exists. Do you want to overwrite it?"),
+			QMessageBox::No, QMessageBox::Yes);
+		if (ret == QMessageBox::No) {
+			return false;
+		}
+	}
+
+	SaveIcon(m_instance);
+
+	auto& blocked = proxyModel->blockedPaths();
+	using std::placeholders::_1;
+	if (!MMCZip::compressDir(
+			output, m_instance->instanceRoot(),
+			std::bind(&SeparatorPrefixTree<'/'>::covers, blocked, _1))) {
+		QMessageBox::warning(this, tr("Error"),
+							 tr("Unable to export instance"));
+		return false;
+	}
+	return true;
+}
+
+void ExportInstanceDialog::done(int result)
+{
+	savePackIgnore();
+	if (result == QDialog::Accepted) {
+		if (doExport()) {
+			QDialog::done(QDialog::Accepted);
+			return;
+		} else {
+			return;
+		}
+	}
+	QDialog::done(result);
+}
+
+void ExportInstanceDialog::rowsInserted(QModelIndex parent, int top, int bottom)
+{
+	// WARNING: possible off-by-one?
+	for (int i = top; i < bottom; i++) {
+		auto node = parent.model()->index(i, 0, parent);
+		if (proxyModel->shouldExpand(node)) {
+			auto expNode = node.parent();
+			if (!expNode.isValid()) {
+				continue;
+			}
+			ui->treeView->expand(node);
+		}
+	}
+}
+
+QString ExportInstanceDialog::ignoreFileName()
+{
+	return FS::PathCombine(m_instance->instanceRoot(), ".packignore");
+}
+
+void ExportInstanceDialog::loadPackIgnore()
+{
+	auto filename = ignoreFileName();
+	QFile ignoreFile(filename);
+	if (!ignoreFile.open(QIODevice::ReadOnly)) {
+		return;
+	}
+	auto data = ignoreFile.readAll();
+	auto string = QString::fromUtf8(data);
+	proxyModel->setBlockedPaths(string.split('\n', Qt::SkipEmptyParts));
+}
+
+void ExportInstanceDialog::savePackIgnore()
+{
+	auto data = proxyModel->blockedPaths().toStringList().join('\n').toUtf8();
+	auto filename = ignoreFileName();
+	try {
+		FS::write(filename, data);
+	} catch (const Exception& e) {
+		qWarning() << e.cause();
+	}
+}
+
+#include "ExportInstanceDialog.moc"
diff --git a/meshmc/launcher/ui/dialogs/ExportInstanceDialog.h b/meshmc/launcher/ui/dialogs/ExportInstanceDialog.h
new file mode 100644
index 0000000000..e9e9549d4e
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ExportInstanceDialog.h
@@ -0,0 +1,77 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <QModelIndex>
+#include <memory>
+
+class BaseInstance;
+class PackIgnoreProxy;
+typedef std::shared_ptr<BaseInstance> InstancePtr;
+
+namespace Ui
+{
+	class ExportInstanceDialog;
+}
+
+class ExportInstanceDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit ExportInstanceDialog(InstancePtr instance, QWidget* parent = 0);
+	~ExportInstanceDialog();
+
+	virtual void done(int result);
+
+  private:
+	bool doExport();
+	void loadPackIgnore();
+	void savePackIgnore();
+	QString ignoreFileName();
+
+  private:
+	Ui::ExportInstanceDialog* ui;
+	InstancePtr m_instance;
+	PackIgnoreProxy* proxyModel;
+
+  private slots:
+	void rowsInserted(QModelIndex parent, int top, int bottom);
+};
diff --git a/meshmc/launcher/ui/dialogs/ExportInstanceDialog.ui b/meshmc/launcher/ui/dialogs/ExportInstanceDialog.ui
new file mode 100644
index 0000000000..bcd4e84a4d
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ExportInstanceDialog.ui
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ExportInstanceDialog</class>
+ <widget class="QDialog" name="ExportInstanceDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>720</width>
+    <height>625</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Export Instance</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QTreeView" name="treeView">
+     <property name="alternatingRowColors">
+      <bool>true</bool>
+     </property>
+     <property name="selectionMode">
+      <enum>QAbstractItemView::ExtendedSelection</enum>
+     </property>
+     <property name="sortingEnabled">
+      <bool>true</bool>
+     </property>
+     <attribute name="headerStretchLastSection">
+      <bool>false</bool>
+     </attribute>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>treeView</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ExportInstanceDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ExportInstanceDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/IconPickerDialog.cpp b/meshmc/launcher/ui/dialogs/IconPickerDialog.cpp
new file mode 100644
index 0000000000..1768b44fd4
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/IconPickerDialog.cpp
@@ -0,0 +1,197 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QKeyEvent>
+#include <QPushButton>
+#include <QFileDialog>
+
+#include "Application.h"
+
+#include "IconPickerDialog.h"
+#include "ui_IconPickerDialog.h"
+
+#include "ui/instanceview/InstanceDelegate.h"
+
+#include "icons/IconList.h"
+#include "icons/IconUtils.h"
+#include <DesktopServices.h>
+
+IconPickerDialog::IconPickerDialog(QWidget* parent)
+	: QDialog(parent), ui(new Ui::IconPickerDialog)
+{
+	ui->setupUi(this);
+	setWindowModality(Qt::WindowModal);
+
+	auto contentsWidget = ui->iconView;
+	contentsWidget->setViewMode(QListView::IconMode);
+	contentsWidget->setFlow(QListView::LeftToRight);
+	contentsWidget->setIconSize(QSize(48, 48));
+	contentsWidget->setMovement(QListView::Static);
+	contentsWidget->setResizeMode(QListView::Adjust);
+	contentsWidget->setSelectionMode(QAbstractItemView::SingleSelection);
+	contentsWidget->setSpacing(5);
+	contentsWidget->setWordWrap(false);
+	contentsWidget->setWrapping(true);
+	contentsWidget->setUniformItemSizes(true);
+	contentsWidget->setTextElideMode(Qt::ElideRight);
+	contentsWidget->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
+	contentsWidget->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+	contentsWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	contentsWidget->setItemDelegate(new ListViewDelegate());
+
+	// contentsWidget->setAcceptDrops(true);
+	contentsWidget->setDropIndicatorShown(true);
+	contentsWidget->viewport()->setAcceptDrops(true);
+	contentsWidget->setDragDropMode(QAbstractItemView::DropOnly);
+	contentsWidget->setDefaultDropAction(Qt::CopyAction);
+
+	contentsWidget->installEventFilter(this);
+
+	contentsWidget->setModel(APPLICATION->icons().get());
+
+	// NOTE: ResetRole forces the button to be on the left, while the OK/Cancel
+	// ones are on the right. We win.
+	auto buttonAdd =
+		ui->buttonBox->addButton(tr("Add Icon"), QDialogButtonBox::ResetRole);
+	auto buttonRemove = ui->buttonBox->addButton(tr("Remove Icon"),
+												 QDialogButtonBox::ResetRole);
+
+	connect(buttonAdd, SIGNAL(clicked(bool)), SLOT(addNewIcon()));
+	connect(buttonRemove, SIGNAL(clicked(bool)), SLOT(removeSelectedIcon()));
+
+	connect(contentsWidget, SIGNAL(doubleClicked(QModelIndex)),
+			SLOT(activated(QModelIndex)));
+
+	connect(contentsWidget->selectionModel(),
+			SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+			SLOT(selectionChanged(QItemSelection, QItemSelection)));
+
+	auto buttonFolder = ui->buttonBox->addButton(tr("Open Folder"),
+												 QDialogButtonBox::ResetRole);
+	connect(buttonFolder, &QPushButton::clicked, this,
+			&IconPickerDialog::openFolder);
+}
+
+bool IconPickerDialog::eventFilter(QObject* obj, QEvent* evt)
+{
+	if (obj != ui->iconView)
+		return QDialog::eventFilter(obj, evt);
+	if (evt->type() != QEvent::KeyPress) {
+		return QDialog::eventFilter(obj, evt);
+	}
+	QKeyEvent* keyEvent = static_cast<QKeyEvent*>(evt);
+	switch (keyEvent->key()) {
+		case Qt::Key_Delete:
+			removeSelectedIcon();
+			return true;
+		case Qt::Key_Plus:
+			addNewIcon();
+			return true;
+		default:
+			break;
+	}
+	return QDialog::eventFilter(obj, evt);
+}
+
+void IconPickerDialog::addNewIcon()
+{
+	//: The title of the select icons open file dialog
+	QString selectIcons = tr("Select Icons");
+	//: The type of icon files
+	auto filter = IconUtils::getIconFilter();
+	QStringList fileNames = QFileDialog::getOpenFileNames(
+		this, selectIcons, QString(), tr("Icons %1").arg(filter));
+	APPLICATION->icons()->installIcons(fileNames);
+}
+
+void IconPickerDialog::removeSelectedIcon()
+{
+	APPLICATION->icons()->deleteIcon(selectedIconKey);
+}
+
+void IconPickerDialog::activated(QModelIndex index)
+{
+	selectedIconKey = index.data(Qt::UserRole).toString();
+	accept();
+}
+
+void IconPickerDialog::selectionChanged(QItemSelection selected,
+										QItemSelection deselected)
+{
+	if (selected.empty())
+		return;
+
+	QString key =
+		selected.first().indexes().first().data(Qt::UserRole).toString();
+	if (!key.isEmpty()) {
+		selectedIconKey = key;
+	}
+}
+
+int IconPickerDialog::execWithSelection(QString selection)
+{
+	auto list = APPLICATION->icons();
+	auto contentsWidget = ui->iconView;
+	selectedIconKey = selection;
+
+	int index_nr = list->getIconIndex(selection);
+	auto model_index = list->index(index_nr);
+	contentsWidget->selectionModel()->select(model_index,
+											 QItemSelectionModel::Current |
+												 QItemSelectionModel::Select);
+
+	QMetaObject::invokeMethod(this, "delayed_scroll", Qt::QueuedConnection,
+							  Q_ARG(QModelIndex, model_index));
+	return QDialog::exec();
+}
+
+void IconPickerDialog::delayed_scroll(QModelIndex model_index)
+{
+	auto contentsWidget = ui->iconView;
+	contentsWidget->scrollTo(model_index);
+}
+
+IconPickerDialog::~IconPickerDialog()
+{
+	delete ui;
+}
+
+void IconPickerDialog::openFolder()
+{
+	DesktopServices::openDirectory(APPLICATION->icons()->getDirectory(), true);
+}
diff --git a/meshmc/launcher/ui/dialogs/IconPickerDialog.h b/meshmc/launcher/ui/dialogs/IconPickerDialog.h
new file mode 100644
index 0000000000..0a92be4a53
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/IconPickerDialog.h
@@ -0,0 +1,71 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <QDialog>
+#include <QItemSelection>
+
+namespace Ui
+{
+	class IconPickerDialog;
+}
+
+class IconPickerDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit IconPickerDialog(QWidget* parent = 0);
+	~IconPickerDialog();
+	int execWithSelection(QString selection);
+	QString selectedIconKey;
+
+  protected:
+	virtual bool eventFilter(QObject*, QEvent*);
+
+  private:
+	Ui::IconPickerDialog* ui;
+
+  private slots:
+	void selectionChanged(QItemSelection, QItemSelection);
+	void activated(QModelIndex);
+	void delayed_scroll(QModelIndex);
+	void addNewIcon();
+	void removeSelectedIcon();
+	void openFolder();
+};
diff --git a/meshmc/launcher/ui/dialogs/IconPickerDialog.ui b/meshmc/launcher/ui/dialogs/IconPickerDialog.ui
new file mode 100644
index 0000000000..c548edfb7a
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/IconPickerDialog.ui
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>IconPickerDialog</class>
+ <widget class="QDialog" name="IconPickerDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>676</width>
+    <height>555</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Pick icon</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QListView" name="iconView"/>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>IconPickerDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>IconPickerDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/JavaDownloadDialog.cpp b/meshmc/launcher/ui/dialogs/JavaDownloadDialog.cpp
new file mode 100644
index 0000000000..c83542543c
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/JavaDownloadDialog.cpp
@@ -0,0 +1,399 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "JavaDownloadDialog.h"
+
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QGroupBox>
+#include <QMessageBox>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QDebug>
+#include <QDir>
+#include <QHeaderView>
+#include <QSplitter>
+
+#include "Application.h"
+#include "BuildConfig.h"
+#include "FileSystem.h"
+#include "Json.h"
+#include "java/JavaUtils.h"
+#include "net/Download.h"
+
+JavaDownloadDialog::JavaDownloadDialog(QWidget* parent) : QDialog(parent)
+{
+	setWindowTitle(tr("Download Java"));
+	setMinimumSize(700, 450);
+	resize(800, 500);
+	m_providers = JavaDownload::JavaProviderInfo::availableProviders();
+	setupUi();
+}
+
+void JavaDownloadDialog::setupUi()
+{
+	auto* mainLayout = new QVBoxLayout(this);
+
+	// --- Three-column selection area ---
+	auto* columnsLayout = new QHBoxLayout();
+
+	// Left: Provider list
+	auto* providerGroup = new QGroupBox(tr("Provider"), this);
+	auto* providerLayout = new QVBoxLayout(providerGroup);
+	m_providerList = new QListWidget(this);
+	m_providerList->setIconSize(QSize(24, 24));
+	for (const auto& provider : m_providers) {
+		auto* item = new QListWidgetItem(
+			APPLICATION->getThemedIcon(provider.iconName), provider.name);
+		m_providerList->addItem(item);
+	}
+	providerLayout->addWidget(m_providerList);
+	columnsLayout->addWidget(providerGroup, 1);
+
+	// Center: Major version list
+	auto* versionGroup = new QGroupBox(tr("Version"), this);
+	auto* versionLayout = new QVBoxLayout(versionGroup);
+	m_versionList = new QListWidget(this);
+	versionLayout->addWidget(m_versionList);
+	columnsLayout->addWidget(versionGroup, 1);
+
+	// Right: Sub-version / build list
+	auto* subVersionGroup = new QGroupBox(tr("Build"), this);
+	auto* subVersionLayout = new QVBoxLayout(subVersionGroup);
+	m_subVersionList = new QListWidget(this);
+	subVersionLayout->addWidget(m_subVersionList);
+	columnsLayout->addWidget(subVersionGroup, 1);
+
+	mainLayout->addLayout(columnsLayout, 1);
+
+	// Info label
+	m_infoLabel = new QLabel(this);
+	m_infoLabel->setWordWrap(true);
+	m_infoLabel->setText(
+		tr("Select a Java provider, version, and build to download."));
+	mainLayout->addWidget(m_infoLabel);
+
+	// Progress bar
+	m_progressBar = new QProgressBar(this);
+	m_progressBar->setVisible(false);
+	m_progressBar->setRange(0, 100);
+	mainLayout->addWidget(m_progressBar);
+
+	// Status label
+	m_statusLabel = new QLabel(this);
+	m_statusLabel->setVisible(false);
+	mainLayout->addWidget(m_statusLabel);
+
+	// Buttons
+	auto* buttonLayout = new QHBoxLayout();
+	buttonLayout->addStretch();
+
+	m_downloadBtn = new QPushButton(tr("Download"), this);
+	m_downloadBtn->setEnabled(false);
+	buttonLayout->addWidget(m_downloadBtn);
+
+	m_cancelBtn = new QPushButton(tr("Cancel"), this);
+	buttonLayout->addWidget(m_cancelBtn);
+
+	mainLayout->addLayout(buttonLayout);
+
+	// Connections
+	connect(m_providerList, &QListWidget::currentRowChanged, this,
+			&JavaDownloadDialog::providerChanged);
+	connect(m_versionList, &QListWidget::currentRowChanged, this,
+			&JavaDownloadDialog::majorVersionChanged);
+	connect(m_subVersionList, &QListWidget::currentRowChanged, this,
+			&JavaDownloadDialog::subVersionChanged);
+	connect(m_downloadBtn, &QPushButton::clicked, this,
+			&JavaDownloadDialog::onDownloadClicked);
+	connect(m_cancelBtn, &QPushButton::clicked, this,
+			&JavaDownloadDialog::onCancelClicked);
+
+	// Select first provider
+	if (m_providerList->count() > 0) {
+		m_providerList->setCurrentRow(0);
+	}
+}
+
+void JavaDownloadDialog::providerChanged(int index)
+{
+	if (index < 0 || index >= m_providers.size())
+		return;
+
+	m_versionList->clear();
+	m_subVersionList->clear();
+	m_downloadBtn->setEnabled(false);
+	m_versions.clear();
+	m_runtimes.clear();
+
+	const auto& provider = m_providers[index];
+	m_infoLabel->setText(tr("Loading versions for %1...").arg(provider.name));
+
+	fetchVersionList(provider.uid);
+}
+
+void JavaDownloadDialog::majorVersionChanged(int index)
+{
+	if (index < 0 || index >= m_versions.size())
+		return;
+
+	m_subVersionList->clear();
+	m_downloadBtn->setEnabled(false);
+	m_runtimes.clear();
+
+	const auto& version = m_versions[index];
+	m_infoLabel->setText(tr("Loading builds for %1...").arg(version.versionId));
+
+	fetchRuntimes(version.uid, version.versionId);
+}
+
+void JavaDownloadDialog::subVersionChanged(int index)
+{
+	if (index < 0 || index >= m_runtimes.size()) {
+		m_downloadBtn->setEnabled(false);
+		return;
+	}
+
+	const auto& rt = m_runtimes[index];
+	m_infoLabel->setText(tr("Ready to download: %1\n"
+							"Version: %2\n"
+							"Platform: %3\n"
+							"Checksum: %4")
+							 .arg(rt.name, rt.version.toString(), rt.runtimeOS,
+								  rt.checksumHash.isEmpty()
+									  ? tr("None")
+									  : tr("Yes (%1)").arg(rt.checksumType)));
+	m_downloadBtn->setEnabled(true);
+}
+
+void JavaDownloadDialog::fetchVersionList(const QString& uid)
+{
+	m_fetchJob.reset();
+	m_fetchData.clear();
+
+	QString url = QString("%1%2/index.json").arg(BuildConfig.META_URL, uid);
+	m_fetchJob = new NetJob(tr("Fetch Java versions"), APPLICATION->network());
+	auto dl = Net::Download::makeByteArray(QUrl(url), &m_fetchData);
+	m_fetchJob->addNetAction(dl);
+
+	connect(m_fetchJob.get(), &NetJob::succeeded, this, [this, uid]() {
+		m_fetchJob.reset();
+
+		QJsonDocument doc;
+		try {
+			doc = Json::requireDocument(m_fetchData);
+		} catch (const Exception& e) {
+			m_infoLabel->setText(
+				tr("Failed to parse version list: %1").arg(e.cause()));
+			return;
+		}
+		if (!doc.isObject()) {
+			m_infoLabel->setText(tr("Failed to parse version list."));
+			return;
+		}
+
+		m_versions = JavaDownload::parseVersionIndex(doc.object(), uid);
+		m_versionList->clear();
+
+		for (const auto& ver : m_versions) {
+			QString displayName = ver.versionId;
+			if (displayName.startsWith("java")) {
+				displayName = "Java " + displayName.mid(4);
+			}
+			m_versionList->addItem(displayName);
+		}
+
+		if (m_versions.size() > 0) {
+			m_infoLabel->setText(tr("Select a version."));
+		} else {
+			m_infoLabel->setText(
+				tr("No versions available for this provider."));
+		}
+	});
+
+	connect(m_fetchJob.get(), &NetJob::failed, this, [this](QString reason) {
+		m_fetchJob.reset();
+		m_infoLabel->setText(tr("Failed to load versions: %1").arg(reason));
+	});
+
+	m_fetchJob->start();
+}
+
+void JavaDownloadDialog::fetchRuntimes(const QString& uid,
+									   const QString& versionId)
+{
+	m_fetchJob.reset();
+	m_fetchData.clear();
+
+	QString url =
+		QString("%1%2/%3.json").arg(BuildConfig.META_URL, uid, versionId);
+	m_fetchJob =
+		new NetJob(tr("Fetch Java runtime details"), APPLICATION->network());
+	auto dl = Net::Download::makeByteArray(QUrl(url), &m_fetchData);
+	m_fetchJob->addNetAction(dl);
+
+	connect(m_fetchJob.get(), &NetJob::succeeded, this, [this]() {
+		m_fetchJob.reset();
+
+		QJsonDocument doc;
+		try {
+			doc = Json::requireDocument(m_fetchData);
+		} catch (const Exception& e) {
+			m_infoLabel->setText(
+				tr("Failed to parse runtime details: %1").arg(e.cause()));
+			return;
+		}
+		if (!doc.isObject()) {
+			m_infoLabel->setText(tr("Failed to parse runtime details."));
+			return;
+		}
+
+		auto allRuntimes = JavaDownload::parseRuntimes(doc.object());
+		QString myOS = JavaDownload::currentRuntimeOS();
+
+		m_runtimes.clear();
+		m_subVersionList->clear();
+		for (const auto& rt : allRuntimes) {
+			if (rt.runtimeOS == myOS) {
+				m_runtimes.append(rt);
+				m_subVersionList->addItem(rt.version.toString());
+			}
+		}
+
+		if (m_runtimes.isEmpty()) {
+			m_infoLabel->setText(
+				tr("No builds available for your platform (%1).").arg(myOS));
+			m_downloadBtn->setEnabled(false);
+		} else {
+			m_infoLabel->setText(tr("Select a build to download."));
+			m_subVersionList->setCurrentRow(0);
+		}
+	});
+
+	connect(m_fetchJob.get(), &NetJob::failed, this, [this](QString reason) {
+		m_fetchJob.reset();
+		m_infoLabel->setText(
+			tr("Failed to load runtime details: %1").arg(reason));
+	});
+
+	m_fetchJob->start();
+}
+
+QString JavaDownloadDialog::javaInstallDir() const
+{
+	return JavaUtils::managedJavaRoot();
+}
+
+void JavaDownloadDialog::onDownloadClicked()
+{
+	int idx = m_subVersionList->currentRow();
+	if (idx < 0 || idx >= m_runtimes.size())
+		return;
+
+	const auto& runtime = m_runtimes[idx];
+
+	// Build target directory path: {dataPath}/java/{vendor}/{name}-{version}/
+	QString dirName =
+		QString("%1-%2").arg(runtime.name, runtime.version.toString());
+	QString targetDir =
+		FS::PathCombine(javaInstallDir(), runtime.vendor, dirName);
+
+	// Check if already installed
+	if (QDir(targetDir).exists()) {
+		auto result = QMessageBox::question(
+			this, tr("Already Installed"),
+			tr("This Java version appears to be already installed at:\n%1\n\n"
+			   "Do you want to reinstall it?")
+				.arg(targetDir),
+			QMessageBox::Yes | QMessageBox::No);
+		if (result != QMessageBox::Yes) {
+			return;
+		}
+		// Remove existing installation
+		QDir(targetDir).removeRecursively();
+	}
+
+	m_downloadBtn->setEnabled(false);
+	m_providerList->setEnabled(false);
+	m_versionList->setEnabled(false);
+	m_subVersionList->setEnabled(false);
+	m_progressBar->setVisible(true);
+	m_progressBar->setValue(0);
+	m_statusLabel->setVisible(true);
+
+	m_downloadTask =
+		std::make_unique<JavaDownloadTask>(runtime, targetDir, this);
+
+	connect(m_downloadTask.get(), &Task::progress, this,
+			[this](qint64 current, qint64 total) {
+				if (total > 0) {
+					m_progressBar->setValue(
+						static_cast<int>(current * 100 / total));
+				}
+			});
+
+	connect(m_downloadTask.get(), &Task::status, this,
+			[this](const QString& status) { m_statusLabel->setText(status); });
+
+	connect(m_downloadTask.get(), &Task::succeeded, this, [this]() {
+		m_installedJavaPath = m_downloadTask->installedJavaPath();
+		m_progressBar->setValue(100);
+		m_statusLabel->setText(tr("Java installed successfully!"));
+
+		QMessageBox::information(
+			this, tr("Download Complete"),
+			tr("Java has been downloaded and installed successfully.\n\n"
+			   "Java binary: %1")
+				.arg(m_installedJavaPath));
+
+		accept();
+	});
+
+	connect(m_downloadTask.get(), &Task::failed, this,
+			[this](const QString& reason) {
+				m_progressBar->setVisible(false);
+				m_statusLabel->setText(tr("Download failed: %1").arg(reason));
+				m_downloadBtn->setEnabled(true);
+				m_providerList->setEnabled(true);
+				m_versionList->setEnabled(true);
+				m_subVersionList->setEnabled(true);
+
+				QMessageBox::warning(
+					this, tr("Download Failed"),
+					tr("Failed to download Java:\n%1").arg(reason));
+			});
+
+	m_downloadTask->start();
+}
+
+void JavaDownloadDialog::onCancelClicked()
+{
+	if (m_fetchJob) {
+		m_fetchJob->abort();
+		m_fetchJob.reset();
+	}
+	if (m_downloadTask) {
+		m_downloadTask->abort();
+		m_downloadTask.reset();
+	}
+	reject();
+}
diff --git a/meshmc/launcher/ui/dialogs/JavaDownloadDialog.h b/meshmc/launcher/ui/dialogs/JavaDownloadDialog.h
new file mode 100644
index 0000000000..48d29a7328
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/JavaDownloadDialog.h
@@ -0,0 +1,82 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <QListWidget>
+#include <QPushButton>
+#include <QProgressBar>
+#include <QLabel>
+#include <QSplitter>
+
+#include "java/download/JavaRuntime.h"
+#include "java/download/JavaDownloadTask.h"
+#include "net/NetJob.h"
+
+class JavaDownloadDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit JavaDownloadDialog(QWidget* parent = nullptr);
+	~JavaDownloadDialog() override = default;
+
+	QString installedJavaPath() const
+	{
+		return m_installedJavaPath;
+	}
+
+  private slots:
+	void providerChanged(int index);
+	void majorVersionChanged(int index);
+	void subVersionChanged(int index);
+	void onDownloadClicked();
+	void onCancelClicked();
+
+  private:
+	void setupUi();
+	void fetchVersionList(const QString& uid);
+	void fetchRuntimes(const QString& uid, const QString& versionId);
+	QString javaInstallDir() const;
+
+	// Left panel: providers
+	QListWidget* m_providerList = nullptr;
+	// Center panel: major versions (Java 25, Java 21, ...)
+	QListWidget* m_versionList = nullptr;
+	// Right panel: sub-versions / builds
+	QListWidget* m_subVersionList = nullptr;
+
+	QLabel* m_infoLabel = nullptr;
+	QLabel* m_statusLabel = nullptr;
+	QPushButton* m_downloadBtn = nullptr;
+	QPushButton* m_cancelBtn = nullptr;
+	QProgressBar* m_progressBar = nullptr;
+
+	QList<JavaDownload::JavaProviderInfo> m_providers;
+	QList<JavaDownload::JavaVersionInfo> m_versions;
+	QList<JavaDownload::RuntimeEntry> m_runtimes;
+
+	NetJob::Ptr m_fetchJob;
+	QByteArray m_fetchData;
+	std::unique_ptr<JavaDownloadTask> m_downloadTask;
+	QString m_installedJavaPath;
+};
diff --git a/meshmc/launcher/ui/dialogs/MSALoginDialog.cpp b/meshmc/launcher/ui/dialogs/MSALoginDialog.cpp
new file mode 100644
index 0000000000..2038ab8bdf
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/MSALoginDialog.cpp
@@ -0,0 +1,147 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "MSALoginDialog.h"
+#include "ui_MSALoginDialog.h"
+
+#include "minecraft/auth/AccountTask.h"
+
+#include <QtWidgets/QPushButton>
+#include <QUrl>
+
+MSALoginDialog::MSALoginDialog(QWidget* parent)
+	: QDialog(parent), ui(new Ui::MSALoginDialog)
+{
+	ui->setupUi(this);
+	ui->progressBar->setVisible(false);
+
+	connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
+	connect(ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+}
+
+int MSALoginDialog::exec()
+{
+	setUserInputsEnabled(false);
+	ui->progressBar->setVisible(true);
+	ui->progressBar->setMaximum(0); // Indeterminate progress
+	ui->label->setText(tr("Opening your browser for Microsoft login..."));
+
+	// Setup the login task and start it
+	m_account = MinecraftAccount::createBlankMSA();
+	m_loginTask = m_account->loginMSA();
+	connect(m_loginTask.get(), &Task::failed, this,
+			&MSALoginDialog::onTaskFailed);
+	connect(m_loginTask.get(), &Task::succeeded, this,
+			&MSALoginDialog::onTaskSucceeded);
+	connect(m_loginTask.get(), &Task::status, this,
+			&MSALoginDialog::onTaskStatus);
+	connect(m_loginTask.get(), &Task::progress, this,
+			&MSALoginDialog::onTaskProgress);
+	connect(m_loginTask.get(), &AccountTask::authorizeWithBrowser, this,
+			&MSALoginDialog::onAuthorizeWithBrowser);
+	m_loginTask->start();
+
+	return QDialog::exec();
+}
+
+MSALoginDialog::~MSALoginDialog()
+{
+	delete ui;
+}
+
+void MSALoginDialog::onAuthorizeWithBrowser(const QUrl& url)
+{
+	QString urlString = url.toString();
+	QString linkString =
+		QString("<a href=\"%1\">%2</a>").arg(urlString, tr("here"));
+	ui->label->setText(
+		tr("<p>A browser window will open for Microsoft login.</p>"
+		   "<p>If it doesn't open automatically, click %1.</p>")
+			.arg(linkString));
+}
+
+void MSALoginDialog::setUserInputsEnabled(bool enable)
+{
+	ui->buttonBox->setEnabled(enable);
+}
+
+void MSALoginDialog::onTaskFailed(const QString& reason)
+{
+	// Set message
+	auto lines = reason.split('\n');
+	QString processed;
+	for (auto line : lines) {
+		if (line.size()) {
+			processed += "<font color='red'>" + line + "</font><br />";
+		} else {
+			processed += "<br />";
+		}
+	}
+	ui->label->setText(processed);
+
+	// Re-enable user-interaction
+	setUserInputsEnabled(true);
+	ui->progressBar->setVisible(false);
+}
+
+void MSALoginDialog::onTaskSucceeded()
+{
+	QDialog::accept();
+}
+
+void MSALoginDialog::onTaskStatus(const QString& status)
+{
+	ui->label->setText(status);
+}
+
+void MSALoginDialog::onTaskProgress(qint64 current, qint64 total)
+{
+	ui->progressBar->setMaximum(total);
+	ui->progressBar->setValue(current);
+}
+
+// Public interface
+MinecraftAccountPtr MSALoginDialog::newAccount(QWidget* parent, QString msg)
+{
+	MSALoginDialog dlg(parent);
+	dlg.ui->label->setText(msg);
+	if (dlg.exec() == QDialog::Accepted) {
+		return dlg.m_account;
+	}
+	return nullptr;
+}
diff --git a/meshmc/launcher/ui/dialogs/MSALoginDialog.h b/meshmc/launcher/ui/dialogs/MSALoginDialog.h
new file mode 100644
index 0000000000..b68074d232
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/MSALoginDialog.h
@@ -0,0 +1,77 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QtWidgets/QDialog>
+#include <QtCore/QEventLoop>
+
+#include "minecraft/auth/MinecraftAccount.h"
+
+namespace Ui
+{
+	class MSALoginDialog;
+}
+
+class MSALoginDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	~MSALoginDialog();
+
+	static MinecraftAccountPtr newAccount(QWidget* parent, QString message);
+	int exec() override;
+
+  private:
+	explicit MSALoginDialog(QWidget* parent = 0);
+
+	void setUserInputsEnabled(bool enable);
+
+  protected slots:
+	void onTaskFailed(const QString& reason);
+	void onTaskSucceeded();
+	void onTaskStatus(const QString& status);
+	void onTaskProgress(qint64 current, qint64 total);
+	void onAuthorizeWithBrowser(const QUrl& url);
+
+  private:
+	Ui::MSALoginDialog* ui;
+	MinecraftAccountPtr m_account;
+	shared_qobject_ptr<AccountTask> m_loginTask;
+};
diff --git a/meshmc/launcher/ui/dialogs/MSALoginDialog.ui b/meshmc/launcher/ui/dialogs/MSALoginDialog.ui
new file mode 100644
index 0000000000..78cbfb269f
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/MSALoginDialog.ui
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MSALoginDialog</class>
+ <widget class="QDialog" name="MSALoginDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>491</width>
+    <height>143</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Add Microsoft Account</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string notr="true">Message label placeholder.
+
+aaaaa</string>
+     </property>
+     <property name="textFormat">
+      <enum>Qt::RichText</enum>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse|Qt::TextBrowserInteraction|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QProgressBar" name="progressBar">
+     <property name="value">
+      <number>24</number>
+     </property>
+     <property name="textVisible">
+      <bool>false</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/NewComponentDialog.cpp b/meshmc/launcher/ui/dialogs/NewComponentDialog.cpp
new file mode 100644
index 0000000000..f87e94afb6
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NewComponentDialog.cpp
@@ -0,0 +1,129 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Application.h"
+#include "NewComponentDialog.h"
+#include "ui_NewComponentDialog.h"
+
+#include <BaseVersion.h>
+#include <icons/IconList.h>
+#include <tasks/Task.h>
+#include <InstanceList.h>
+
+#include "VersionSelectDialog.h"
+#include "ProgressDialog.h"
+#include "IconPickerDialog.h"
+
+#include <QLayout>
+#include <QPushButton>
+#include <QFileDialog>
+#include <QValidator>
+
+#include <meta/Index.h>
+#include <meta/VersionList.h>
+
+NewComponentDialog::NewComponentDialog(const QString& initialName,
+									   const QString& initialUid,
+									   QWidget* parent)
+	: QDialog(parent), ui(new Ui::NewComponentDialog)
+{
+	ui->setupUi(this);
+	resize(minimumSizeHint());
+
+	ui->nameTextBox->setText(initialName);
+	ui->uidTextBox->setText(initialUid);
+
+	connect(ui->nameTextBox, &QLineEdit::textChanged, this,
+			&NewComponentDialog::updateDialogState);
+	connect(ui->uidTextBox, &QLineEdit::textChanged, this,
+			&NewComponentDialog::updateDialogState);
+
+	auto groups = APPLICATION->instances()->getGroups();
+	groups.removeDuplicates();
+	ui->nameTextBox->setFocus();
+
+	originalPlaceholderText = ui->uidTextBox->placeholderText();
+	updateDialogState();
+}
+
+NewComponentDialog::~NewComponentDialog()
+{
+	delete ui;
+}
+
+void NewComponentDialog::updateDialogState()
+{
+	auto protoUid = ui->nameTextBox->text().toLower();
+	protoUid.remove(QRegularExpression("[^a-z]"));
+	if (protoUid.isEmpty()) {
+		ui->uidTextBox->setPlaceholderText(originalPlaceholderText);
+	} else {
+		QString suggestedUid = "org.projecttick.custom." + protoUid;
+		ui->uidTextBox->setPlaceholderText(suggestedUid);
+	}
+	bool allowOK =
+		!name().isEmpty() && !uid().isEmpty() && !uidBlacklist.contains(uid());
+	ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(allowOK);
+}
+
+QString NewComponentDialog::name() const
+{
+	auto result = ui->nameTextBox->text();
+	if (result.size()) {
+		return result.trimmed();
+	}
+	return QString();
+}
+
+QString NewComponentDialog::uid() const
+{
+	auto result = ui->uidTextBox->text();
+	if (result.size()) {
+		return result.trimmed();
+	}
+	result = ui->uidTextBox->placeholderText();
+	if (result.size() && result != originalPlaceholderText) {
+		return result.trimmed();
+	}
+	return QString();
+}
+
+void NewComponentDialog::setBlacklist(QStringList badUids)
+{
+	uidBlacklist = badUids;
+}
diff --git a/meshmc/launcher/ui/dialogs/NewComponentDialog.h b/meshmc/launcher/ui/dialogs/NewComponentDialog.h
new file mode 100644
index 0000000000..7ad8b89ee2
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NewComponentDialog.h
@@ -0,0 +1,73 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+
+#include <QString>
+#include <QStringList>
+
+namespace Ui
+{
+	class NewComponentDialog;
+}
+
+class NewComponentDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit NewComponentDialog(const QString& initialName = QString(),
+								const QString& initialUid = QString(),
+								QWidget* parent = 0);
+	virtual ~NewComponentDialog();
+	void setBlacklist(QStringList badUids);
+
+	QString name() const;
+	QString uid() const;
+
+  private slots:
+	void updateDialogState();
+
+  private:
+	Ui::NewComponentDialog* ui;
+
+	QString originalPlaceholderText;
+	QStringList uidBlacklist;
+};
diff --git a/meshmc/launcher/ui/dialogs/NewComponentDialog.ui b/meshmc/launcher/ui/dialogs/NewComponentDialog.ui
new file mode 100644
index 0000000000..03b0d22294
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NewComponentDialog.ui
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>NewComponentDialog</class>
+ <widget class="QDialog" name="NewComponentDialog">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>345</width>
+    <height>146</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Add Empty Component</string>
+  </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>:/icons/toolbar/copy</normaloff>:/icons/toolbar/copy</iconset>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLineEdit" name="nameTextBox">
+     <property name="placeholderText">
+      <string>Name</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="uidTextBox">
+     <property name="placeholderText">
+      <string>uid</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>nameTextBox</tabstop>
+  <tabstop>uidTextBox</tabstop>
+ </tabstops>
+ <resources>
+  <include location="../../graphics.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>NewComponentDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>NewComponentDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/NewInstanceDialog.cpp b/meshmc/launcher/ui/dialogs/NewInstanceDialog.cpp
new file mode 100644
index 0000000000..571bc3717e
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NewInstanceDialog.cpp
@@ -0,0 +1,278 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Application.h"
+#include "NewInstanceDialog.h"
+#include "ui_NewInstanceDialog.h"
+
+#include <BaseVersion.h>
+#include <icons/IconList.h>
+#include <tasks/Task.h>
+#include <InstanceList.h>
+
+#include "VersionSelectDialog.h"
+#include "ProgressDialog.h"
+#include "IconPickerDialog.h"
+
+#include <QLayout>
+#include <QPushButton>
+#include <QFileDialog>
+#include <QValidator>
+#include <QDialogButtonBox>
+
+#include "ui/widgets/PageContainer.h"
+#include "ui/pages/modplatform/VanillaPage.h"
+#include "ui/pages/modplatform/atlauncher/AtlPage.h"
+#include "ui/pages/modplatform/ftb/FtbPage.h"
+#include "ui/pages/modplatform/legacy_ftb/Page.h"
+#include "ui/pages/modplatform/flame/FlamePage.h"
+#include "ui/pages/modplatform/modrinth/ModrinthPage.h"
+#include "ui/pages/modplatform/ImportPage.h"
+#include "ui/pages/modplatform/technic/TechnicPage.h"
+
+NewInstanceDialog::NewInstanceDialog(const QString& initialGroup,
+									 const QString& url, QWidget* parent)
+	: QDialog(parent), ui(new Ui::NewInstanceDialog)
+{
+	ui->setupUi(this);
+
+	setWindowIcon(APPLICATION->getThemedIcon("new"));
+
+	InstIconKey = "default";
+	ui->iconButton->setIcon(APPLICATION->icons()->getIcon(InstIconKey));
+
+	auto groupList = APPLICATION->instances()->getGroups();
+	groupList.removeDuplicates();
+	groupList.sort(Qt::CaseInsensitive);
+	groupList.removeOne("");
+	groupList.push_front(initialGroup);
+	groupList.push_front("");
+	ui->groupBox->addItems(groupList);
+	int index = groupList.indexOf(initialGroup);
+	if (index == -1) {
+		index = 0;
+	}
+	ui->groupBox->setCurrentIndex(index);
+	ui->groupBox->lineEdit()->setPlaceholderText(tr("No group"));
+
+	// NOTE: m_buttons must be initialized before PageContainer, because it
+	// indirectly accesses m_buttons through setSuggestedPack! Do not move
+	// this below.
+	m_buttons =
+		new QDialogButtonBox(QDialogButtonBox::Help | QDialogButtonBox::Ok |
+							 QDialogButtonBox::Cancel);
+
+	m_container = new PageContainer(this);
+	m_container->setSizePolicy(QSizePolicy::Policy::Preferred,
+							   QSizePolicy::Policy::Expanding);
+	m_container->layout()->setContentsMargins(0, 0, 0, 0);
+	ui->verticalLayout->insertWidget(2, m_container);
+
+	m_container->addButtons(m_buttons);
+
+	// Bonk Qt over its stupid head and make sure it understands which button is
+	// the default one... See:
+	// https://stackoverflow.com/questions/24556831/qbuttonbox-set-default-button
+	auto OkButton = m_buttons->button(QDialogButtonBox::Ok);
+	OkButton->setDefault(true);
+	OkButton->setAutoDefault(true);
+	connect(OkButton, &QPushButton::clicked, this, &NewInstanceDialog::accept);
+
+	auto CancelButton = m_buttons->button(QDialogButtonBox::Cancel);
+	CancelButton->setDefault(false);
+	CancelButton->setAutoDefault(false);
+	connect(CancelButton, &QPushButton::clicked, this,
+			&NewInstanceDialog::reject);
+
+	auto HelpButton = m_buttons->button(QDialogButtonBox::Help);
+	HelpButton->setDefault(false);
+	HelpButton->setAutoDefault(false);
+	connect(HelpButton, &QPushButton::clicked, m_container,
+			&PageContainer::help);
+
+	if (!url.isEmpty()) {
+		QUrl actualUrl(url);
+		m_container->selectPage("import");
+		importPage->setUrl(url);
+	}
+
+	updateDialogState();
+
+	restoreGeometry(QByteArray::fromBase64(
+		APPLICATION->settings()->get("NewInstanceGeometry").toByteArray()));
+}
+
+void NewInstanceDialog::reject()
+{
+	APPLICATION->settings()->set("NewInstanceGeometry",
+								 saveGeometry().toBase64());
+	QDialog::reject();
+}
+
+void NewInstanceDialog::accept()
+{
+	APPLICATION->settings()->set("NewInstanceGeometry",
+								 saveGeometry().toBase64());
+	importIconNow();
+	QDialog::accept();
+}
+
+QList<BasePage*> NewInstanceDialog::getPages()
+{
+	importPage = new ImportPage(this);
+	flamePage = new FlamePage(this);
+	auto technicPage = new TechnicPage(this);
+	return {new VanillaPage(this),	   importPage,
+			new AtlPage(this),		   flamePage,
+			new ModrinthPage(this),	   new FtbPage(this),
+			new LegacyFTB::Page(this), technicPage};
+}
+
+QString NewInstanceDialog::dialogTitle()
+{
+	return tr("New Instance");
+}
+
+NewInstanceDialog::~NewInstanceDialog()
+{
+	delete ui;
+}
+
+void NewInstanceDialog::setSuggestedPack(const QString& name,
+										 InstanceTask* task)
+{
+	creationTask.reset(task);
+	ui->instNameTextBox->setPlaceholderText(name);
+
+	if (!task) {
+		ui->iconButton->setIcon(APPLICATION->icons()->getIcon("default"));
+		importIcon = false;
+	}
+
+	auto allowOK = task && !instName().isEmpty();
+	m_buttons->button(QDialogButtonBox::Ok)->setEnabled(allowOK);
+}
+
+void NewInstanceDialog::setSuggestedIconFromFile(const QString& path,
+												 const QString& name)
+{
+	importIcon = true;
+	importIconPath = path;
+	importIconName = name;
+
+	// Hmm, for some reason they can be to small
+	ui->iconButton->setIcon(QIcon(path));
+}
+
+void NewInstanceDialog::setSuggestedIcon(const QString& key)
+{
+	auto icon = APPLICATION->icons()->getIcon(key);
+	importIcon = false;
+
+	ui->iconButton->setIcon(icon);
+}
+
+InstanceTask* NewInstanceDialog::extractTask()
+{
+	InstanceTask* extracted = creationTask.get();
+	creationTask.release();
+	extracted->setName(instName());
+	extracted->setGroup(instGroup());
+	extracted->setIcon(iconKey());
+	return extracted;
+}
+
+void NewInstanceDialog::updateDialogState()
+{
+	auto allowOK = creationTask && !instName().isEmpty();
+	auto OkButton = m_buttons->button(QDialogButtonBox::Ok);
+	if (OkButton->isEnabled() != allowOK) {
+		OkButton->setEnabled(allowOK);
+	}
+}
+
+QString NewInstanceDialog::instName() const
+{
+	auto result = ui->instNameTextBox->text().trimmed();
+	if (result.size()) {
+		return result;
+	}
+	result = ui->instNameTextBox->placeholderText().trimmed();
+	if (result.size()) {
+		return result;
+	}
+	return QString();
+}
+
+QString NewInstanceDialog::instGroup() const
+{
+	return ui->groupBox->currentText();
+}
+QString NewInstanceDialog::iconKey() const
+{
+	return InstIconKey;
+}
+
+void NewInstanceDialog::on_iconButton_clicked()
+{
+	importIconNow(); // so the user can switch back
+	IconPickerDialog dlg(this);
+	dlg.execWithSelection(InstIconKey);
+
+	if (dlg.result() == QDialog::Accepted) {
+		InstIconKey = dlg.selectedIconKey;
+		ui->iconButton->setIcon(APPLICATION->icons()->getIcon(InstIconKey));
+		importIcon = false;
+	}
+}
+
+void NewInstanceDialog::on_instNameTextBox_textChanged(const QString& arg1)
+{
+	updateDialogState();
+}
+
+void NewInstanceDialog::importIconNow()
+{
+	if (importIcon) {
+		APPLICATION->icons()->installIcon(importIconPath, importIconName);
+		InstIconKey = importIconName;
+		importIcon = false;
+	}
+	APPLICATION->settings()->set("NewInstanceGeometry",
+								 saveGeometry().toBase64());
+}
diff --git a/meshmc/launcher/ui/dialogs/NewInstanceDialog.h b/meshmc/launcher/ui/dialogs/NewInstanceDialog.h
new file mode 100644
index 0000000000..ba042eca1a
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NewInstanceDialog.h
@@ -0,0 +1,106 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+
+#include "BaseVersion.h"
+#include "ui/pages/BasePageProvider.h"
+#include "InstanceTask.h"
+
+namespace Ui
+{
+	class NewInstanceDialog;
+}
+
+class PageContainer;
+class QDialogButtonBox;
+class ImportPage;
+class FlamePage;
+
+class NewInstanceDialog : public QDialog, public BasePageProvider
+{
+	Q_OBJECT
+
+  public:
+	explicit NewInstanceDialog(const QString& initialGroup,
+							   const QString& url = QString(),
+							   QWidget* parent = 0);
+	~NewInstanceDialog();
+
+	void updateDialogState();
+
+	void setSuggestedPack(const QString& name = QString(),
+						  InstanceTask* task = nullptr);
+	void setSuggestedIconFromFile(const QString& path, const QString& name);
+	void setSuggestedIcon(const QString& key);
+
+	InstanceTask* extractTask();
+
+	QString dialogTitle() override;
+	QList<BasePage*> getPages() override;
+
+	QString instName() const;
+	QString instGroup() const;
+	QString iconKey() const;
+
+  public slots:
+	void accept() override;
+	void reject() override;
+
+  private slots:
+	void on_iconButton_clicked();
+	void on_instNameTextBox_textChanged(const QString& arg1);
+
+  private:
+	Ui::NewInstanceDialog* ui = nullptr;
+	PageContainer* m_container = nullptr;
+	QDialogButtonBox* m_buttons = nullptr;
+
+	QString InstIconKey;
+	ImportPage* importPage = nullptr;
+	FlamePage* flamePage = nullptr;
+	std::unique_ptr<InstanceTask> creationTask;
+
+	bool importIcon = false;
+	QString importIconPath;
+	QString importIconName;
+
+	void importIconNow();
+};
diff --git a/meshmc/launcher/ui/dialogs/NewInstanceDialog.ui b/meshmc/launcher/ui/dialogs/NewInstanceDialog.ui
new file mode 100644
index 0000000000..7fb19ff5cf
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NewInstanceDialog.ui
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>NewInstanceDialog</class>
+ <widget class="QDialog" name="NewInstanceDialog">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>730</width>
+    <height>127</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>New Instance</string>
+  </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>:/icons/toolbar/new</normaloff>:/icons/toolbar/new</iconset>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QGridLayout" name="gridLayout_2">
+     <item row="1" column="2">
+      <widget class="QComboBox" name="groupBox">
+       <property name="editable">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QLabel" name="groupLabel">
+       <property name="text">
+        <string>&amp;Group:</string>
+       </property>
+       <property name="buddy">
+        <cstring>groupBox</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="2">
+      <widget class="QLineEdit" name="instNameTextBox"/>
+     </item>
+     <item row="0" column="1">
+      <widget class="QLabel" name="nameLabel">
+       <property name="text">
+        <string>&amp;Name:</string>
+       </property>
+       <property name="buddy">
+        <cstring>instNameTextBox</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="0" rowspan="2">
+      <widget class="QToolButton" name="iconButton">
+       <property name="iconSize">
+        <size>
+         <width>80</width>
+         <height>80</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>iconButton</tabstop>
+  <tabstop>instNameTextBox</tabstop>
+  <tabstop>groupBox</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/NotificationDialog.cpp b/meshmc/launcher/ui/dialogs/NotificationDialog.cpp
new file mode 100644
index 0000000000..6d43d09ebd
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NotificationDialog.cpp
@@ -0,0 +1,103 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "NotificationDialog.h"
+#include "ui_NotificationDialog.h"
+
+#include <QTimerEvent>
+#include <QStyle>
+
+NotificationDialog::NotificationDialog(
+	const NotificationChecker::NotificationEntry& entry, QWidget* parent)
+	: QDialog(parent, Qt::MSWindowsFixedSizeDialogHint | Qt::WindowTitleHint |
+						  Qt::CustomizeWindowHint),
+	  ui(new Ui::NotificationDialog)
+{
+	ui->setupUi(this);
+
+	QStyle::StandardPixmap icon;
+	switch (entry.type) {
+		case NotificationChecker::NotificationEntry::Critical:
+			icon = QStyle::SP_MessageBoxCritical;
+			break;
+		case NotificationChecker::NotificationEntry::Warning:
+			icon = QStyle::SP_MessageBoxWarning;
+			break;
+		default:
+		case NotificationChecker::NotificationEntry::Information:
+			icon = QStyle::SP_MessageBoxInformation;
+			break;
+	}
+	ui->iconLabel->setPixmap(style()->standardPixmap(icon, 0, this));
+	ui->messageLabel->setText(entry.message);
+
+	m_dontShowAgainText = tr("Don't show again");
+	m_closeText = tr("Close");
+
+	ui->dontShowAgainBtn->setText(m_dontShowAgainText +
+								  QString(" (%1)").arg(m_dontShowAgainTime));
+	ui->closeBtn->setText(m_closeText + QString(" (%1)").arg(m_closeTime));
+
+	startTimer(1000);
+}
+
+NotificationDialog::~NotificationDialog()
+{
+	delete ui;
+}
+
+void NotificationDialog::timerEvent(QTimerEvent* event)
+{
+	if (m_dontShowAgainTime > 0) {
+		m_dontShowAgainTime--;
+		if (m_dontShowAgainTime == 0) {
+			ui->dontShowAgainBtn->setText(m_dontShowAgainText);
+			ui->dontShowAgainBtn->setEnabled(true);
+		} else {
+			ui->dontShowAgainBtn->setText(
+				m_dontShowAgainText +
+				QString(" (%1)").arg(m_dontShowAgainTime));
+		}
+	}
+	if (m_closeTime > 0) {
+		m_closeTime--;
+		if (m_closeTime == 0) {
+			ui->closeBtn->setText(m_closeText);
+			ui->closeBtn->setEnabled(true);
+		} else {
+			ui->closeBtn->setText(m_closeText +
+								  QString(" (%1)").arg(m_closeTime));
+		}
+	}
+
+	if (m_closeTime == 0 && m_dontShowAgainTime == 0) {
+		killTimer(event->timerId());
+	}
+}
+
+void NotificationDialog::on_dontShowAgainBtn_clicked()
+{
+	done(DontShowAgain);
+}
+void NotificationDialog::on_closeBtn_clicked()
+{
+	done(Normal);
+}
diff --git a/meshmc/launcher/ui/dialogs/NotificationDialog.h b/meshmc/launcher/ui/dialogs/NotificationDialog.h
new file mode 100644
index 0000000000..82f578f5fb
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NotificationDialog.h
@@ -0,0 +1,63 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef NOTIFICATIONDIALOG_H
+#define NOTIFICATIONDIALOG_H
+
+#include <QDialog>
+
+#include "notifications/NotificationChecker.h"
+
+namespace Ui
+{
+	class NotificationDialog;
+}
+
+class NotificationDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit NotificationDialog(
+		const NotificationChecker::NotificationEntry& entry,
+		QWidget* parent = 0);
+	~NotificationDialog();
+
+	enum ExitCode { Normal, DontShowAgain };
+
+  protected:
+	void timerEvent(QTimerEvent* event);
+
+  private:
+	Ui::NotificationDialog* ui;
+
+	int m_dontShowAgainTime = 10;
+	int m_closeTime = 5;
+
+	QString m_dontShowAgainText;
+	QString m_closeText;
+
+  private slots:
+	void on_dontShowAgainBtn_clicked();
+	void on_closeBtn_clicked();
+};
+
+#endif // NOTIFICATIONDIALOG_H
diff --git a/meshmc/launcher/ui/dialogs/NotificationDialog.ui b/meshmc/launcher/ui/dialogs/NotificationDialog.ui
new file mode 100644
index 0000000000..3e6c22bc80
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/NotificationDialog.ui
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>NotificationDialog</class>
+ <widget class="QDialog" name="NotificationDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>320</width>
+    <height>240</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Notification</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout" stretch="1,0">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2" stretch="0,1">
+     <item>
+      <widget class="QLabel" name="iconLabel">
+       <property name="text">
+        <string notr="true">TextLabel</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="messageLabel">
+       <property name="text">
+        <string notr="true">TextLabel</string>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+       <property name="openExternalLinks">
+        <bool>true</bool>
+       </property>
+       <property name="textInteractionFlags">
+        <set>Qt::TextBrowserInteraction</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="dontShowAgainBtn">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string>Don't show again</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="closeBtn">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string>Close</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/ProfileSelectDialog.cpp b/meshmc/launcher/ui/dialogs/ProfileSelectDialog.cpp
new file mode 100644
index 0000000000..77687c699e
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProfileSelectDialog.cpp
@@ -0,0 +1,137 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ProfileSelectDialog.h"
+#include "ui_ProfileSelectDialog.h"
+
+#include <QItemSelectionModel>
+#include <QDebug>
+
+#include "SkinUtils.h"
+#include "Application.h"
+
+#include "ui/dialogs/ProgressDialog.h"
+
+ProfileSelectDialog::ProfileSelectDialog(const QString& message, int flags,
+										 QWidget* parent)
+	: QDialog(parent), ui(new Ui::ProfileSelectDialog)
+{
+	ui->setupUi(this);
+
+	m_accounts = APPLICATION->accounts();
+	auto view = ui->listView;
+	// view->setModel(m_accounts.get());
+	// view->hideColumn(AccountList::ActiveColumn);
+	view->setColumnCount(1);
+	view->setRootIsDecorated(false);
+	// FIXME: use a real model, not this
+	if (QTreeWidgetItem* header = view->headerItem()) {
+		header->setText(0, tr("Name"));
+	} else {
+		view->setHeaderLabel(tr("Name"));
+	}
+	QList<QTreeWidgetItem*> items;
+	for (int i = 0; i < m_accounts->count(); i++) {
+		MinecraftAccountPtr account = m_accounts->at(i);
+		QString profileLabel;
+		if (account->isInUse()) {
+			profileLabel = tr("%1 (in use)").arg(account->profileName());
+		} else {
+			profileLabel = account->profileName();
+		}
+		auto item = new QTreeWidgetItem(view);
+		item->setText(0, profileLabel);
+		item->setIcon(0, account->getFace());
+		item->setData(0, AccountList::PointerRole,
+					  QVariant::fromValue(account));
+		items.append(item);
+	}
+	view->addTopLevelItems(items);
+
+	// Set the message label.
+	ui->msgLabel->setVisible(!message.isEmpty());
+	ui->msgLabel->setText(message);
+
+	// Flags...
+	ui->globalDefaultCheck->setVisible(flags & GlobalDefaultCheckbox);
+	ui->instDefaultCheck->setVisible(flags & InstanceDefaultCheckbox);
+	qDebug() << flags;
+
+	// Select the first entry in the list.
+	ui->listView->setCurrentIndex(ui->listView->model()->index(0, 0));
+
+	connect(ui->listView, SIGNAL(doubleClicked(QModelIndex)),
+			SLOT(on_buttonBox_accepted()));
+}
+
+ProfileSelectDialog::~ProfileSelectDialog()
+{
+	delete ui;
+}
+
+MinecraftAccountPtr ProfileSelectDialog::selectedAccount() const
+{
+	return m_selected;
+}
+
+bool ProfileSelectDialog::useAsGlobalDefault() const
+{
+	return ui->globalDefaultCheck->isChecked();
+}
+
+bool ProfileSelectDialog::useAsInstDefaullt() const
+{
+	return ui->instDefaultCheck->isChecked();
+}
+
+void ProfileSelectDialog::on_buttonBox_accepted()
+{
+	QModelIndexList selection =
+		ui->listView->selectionModel()->selectedIndexes();
+	if (selection.size() > 0) {
+		QModelIndex selected = selection.first();
+		m_selected = selected.data(AccountList::PointerRole)
+						 .value<MinecraftAccountPtr>();
+	}
+	close();
+}
+
+void ProfileSelectDialog::on_buttonBox_rejected()
+{
+	close();
+}
diff --git a/meshmc/launcher/ui/dialogs/ProfileSelectDialog.h b/meshmc/launcher/ui/dialogs/ProfileSelectDialog.h
new file mode 100644
index 0000000000..f121dfcc15
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProfileSelectDialog.h
@@ -0,0 +1,115 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+
+#include <memory>
+
+#include "minecraft/auth/AccountList.h"
+
+namespace Ui
+{
+	class ProfileSelectDialog;
+}
+
+class ProfileSelectDialog : public QDialog
+{
+	Q_OBJECT
+  public:
+	enum Flags {
+		NoFlags = 0,
+
+		/*!
+		 * Shows a check box on the dialog that allows the user to specify that
+		 * the account they've selected should be used as the global default for
+		 * all instances.
+		 */
+		GlobalDefaultCheckbox,
+
+		/*!
+		 * Shows a check box on the dialog that allows the user to specify that
+		 * the account they've selected should be used as the default for the
+		 * instance they are currently launching. This is not currently
+		 * implemented.
+		 */
+		InstanceDefaultCheckbox,
+	};
+
+	/*!
+	 * Constructs a new account select dialog with the given parent and message.
+	 * The message will be shown at the top of the dialog. It is an empty string
+	 * by default.
+	 */
+	explicit ProfileSelectDialog(const QString& message = "", int flags = 0,
+								 QWidget* parent = 0);
+	~ProfileSelectDialog();
+
+	/*!
+	 * Gets a pointer to the account that the user selected.
+	 * This is null if the user clicked cancel or hasn't clicked OK yet.
+	 */
+	MinecraftAccountPtr selectedAccount() const;
+
+	/*!
+	 * Returns true if the user checked the "use as global default" checkbox.
+	 * If the checkbox wasn't shown, this function returns false.
+	 */
+	bool useAsGlobalDefault() const;
+
+	/*!
+	 * Returns true if the user checked the "use as instance default" checkbox.
+	 * If the checkbox wasn't shown, this function returns false.
+	 */
+	bool useAsInstDefaullt() const;
+
+  public slots:
+	void on_buttonBox_accepted();
+
+	void on_buttonBox_rejected();
+
+  protected:
+	shared_qobject_ptr<AccountList> m_accounts;
+
+	//! The account that was selected when the user clicked OK.
+	MinecraftAccountPtr m_selected;
+
+  private:
+	Ui::ProfileSelectDialog* ui;
+};
diff --git a/meshmc/launcher/ui/dialogs/ProfileSelectDialog.ui b/meshmc/launcher/ui/dialogs/ProfileSelectDialog.ui
new file mode 100644
index 0000000000..e779b51bf1
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProfileSelectDialog.ui
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ProfileSelectDialog</class>
+ <widget class="QDialog" name="ProfileSelectDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>465</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Select an Account</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="msgLabel">
+     <property name="text">
+      <string>Select a profile.</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QTreeWidget" name="listView">
+     <column>
+      <property name="text">
+       <string notr="true">1</string>
+      </property>
+     </column>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QCheckBox" name="globalDefaultCheck">
+       <property name="text">
+        <string>Use as default?</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QCheckBox" name="instDefaultCheck">
+       <property name="text">
+        <string>Use as default for this instance only?</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/ProfileSetupDialog.cpp b/meshmc/launcher/ui/dialogs/ProfileSetupDialog.cpp
new file mode 100644
index 0000000000..9798af8199
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProfileSetupDialog.cpp
@@ -0,0 +1,298 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ProfileSetupDialog.h"
+#include "ui_ProfileSetupDialog.h"
+
+#include <QPushButton>
+#include <QAction>
+#include <QRegularExpressionValidator>
+#include <QJsonDocument>
+#include <QDebug>
+
+#include "ui/dialogs/ProgressDialog.h"
+
+#include <Application.h>
+#include "minecraft/auth/AuthRequest.h"
+#include "minecraft/auth/Parsers.h"
+
+ProfileSetupDialog::ProfileSetupDialog(MinecraftAccountPtr accountToSetup,
+									   QWidget* parent)
+	: QDialog(parent), m_accountToSetup(accountToSetup),
+	  ui(new Ui::ProfileSetupDialog)
+{
+	ui->setupUi(this);
+	ui->errorLabel->setVisible(false);
+
+	goodIcon = APPLICATION->getThemedIcon("status-good");
+	yellowIcon = APPLICATION->getThemedIcon("status-yellow");
+	badIcon = APPLICATION->getThemedIcon("status-bad");
+
+	QRegularExpression permittedNames("[a-zA-Z0-9_]{3,16}");
+	auto nameEdit = ui->nameEdit;
+	nameEdit->setValidator(new QRegularExpressionValidator(permittedNames));
+	nameEdit->setClearButtonEnabled(true);
+	validityAction =
+		nameEdit->addAction(yellowIcon, QLineEdit::LeadingPosition);
+	connect(nameEdit, &QLineEdit::textEdited, this,
+			&ProfileSetupDialog::nameEdited);
+
+	checkStartTimer.setSingleShot(true);
+	connect(&checkStartTimer, &QTimer::timeout, this,
+			&ProfileSetupDialog::startCheck);
+
+	setNameStatus(NameStatus::NotSet, QString());
+}
+
+ProfileSetupDialog::~ProfileSetupDialog()
+{
+	delete ui;
+}
+
+void ProfileSetupDialog::on_buttonBox_accepted()
+{
+	setupProfile(currentCheck);
+}
+
+void ProfileSetupDialog::on_buttonBox_rejected()
+{
+	reject();
+}
+
+void ProfileSetupDialog::setNameStatus(ProfileSetupDialog::NameStatus status,
+									   QString errorString = QString())
+{
+	nameStatus = status;
+	auto okButton = ui->buttonBox->button(QDialogButtonBox::Ok);
+	switch (nameStatus) {
+		case NameStatus::Available: {
+			validityAction->setIcon(goodIcon);
+			okButton->setEnabled(true);
+		} break;
+		case NameStatus::NotSet:
+		case NameStatus::Pending:
+			validityAction->setIcon(yellowIcon);
+			okButton->setEnabled(false);
+			break;
+		case NameStatus::Exists:
+		case NameStatus::Error:
+			validityAction->setIcon(badIcon);
+			okButton->setEnabled(false);
+			break;
+	}
+	if (!errorString.isEmpty()) {
+		ui->errorLabel->setText(errorString);
+		ui->errorLabel->setVisible(true);
+	} else {
+		ui->errorLabel->setVisible(false);
+	}
+}
+
+void ProfileSetupDialog::nameEdited(const QString& name)
+{
+	if (!ui->nameEdit->hasAcceptableInput()) {
+		setNameStatus(NameStatus::NotSet,
+					  tr("Name is too short - must be between 3 and 16 "
+						 "characters long."));
+		return;
+	}
+	scheduleCheck(name);
+}
+
+void ProfileSetupDialog::scheduleCheck(const QString& name)
+{
+	queuedCheck = name;
+	setNameStatus(NameStatus::Pending);
+	checkStartTimer.start(1000);
+}
+
+void ProfileSetupDialog::startCheck()
+{
+	if (isChecking) {
+		return;
+	}
+	if (queuedCheck.isNull()) {
+		return;
+	}
+	checkName(queuedCheck);
+}
+
+void ProfileSetupDialog::checkName(const QString& name)
+{
+	if (isChecking) {
+		return;
+	}
+
+	currentCheck = name;
+	isChecking = true;
+
+	auto token = m_accountToSetup->accessToken();
+
+	auto url = QString("https://api.minecraftservices.com/minecraft/profile/"
+					   "name/%1/available")
+				   .arg(name);
+	QNetworkRequest request = QNetworkRequest(url);
+	request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+	request.setRawHeader("Accept", "application/json");
+	request.setRawHeader("Authorization",
+						 QString("Bearer %1").arg(token).toUtf8());
+
+	AuthRequest* requestor = new AuthRequest(this);
+	connect(requestor, &AuthRequest::finished, this,
+			&ProfileSetupDialog::checkFinished);
+	requestor->get(request);
+}
+
+void ProfileSetupDialog::checkFinished(
+	QNetworkReply::NetworkError error, QByteArray data,
+	QList<QNetworkReply::RawHeaderPair> headers)
+{
+	auto requestor = qobject_cast<AuthRequest*>(QObject::sender());
+	requestor->deleteLater();
+
+	if (error == QNetworkReply::NoError) {
+		auto doc = QJsonDocument::fromJson(data);
+		auto root = doc.object();
+		auto statusValue = root.value("status").toString("INVALID");
+		if (statusValue == "AVAILABLE") {
+			setNameStatus(NameStatus::Available);
+		} else if (statusValue == "DUPLICATE") {
+			setNameStatus(NameStatus::Exists,
+						  tr("Minecraft profile with name %1 already exists.")
+							  .arg(currentCheck));
+		} else if (statusValue == "NOT_ALLOWED") {
+			setNameStatus(NameStatus::Exists,
+						  tr("The name %1 is not allowed.").arg(currentCheck));
+		} else {
+			setNameStatus(
+				NameStatus::Error,
+				tr("Unhandled profile name status: %1").arg(statusValue));
+		}
+	} else {
+		setNameStatus(NameStatus::Error,
+					  tr("Failed to check name availability."));
+	}
+	isChecking = false;
+}
+
+void ProfileSetupDialog::setupProfile(const QString& profileName)
+{
+	if (isWorking) {
+		return;
+	}
+
+	auto token = m_accountToSetup->accessToken();
+
+	auto url = QString("https://api.minecraftservices.com/minecraft/profile");
+	QNetworkRequest request = QNetworkRequest(url);
+	request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+	request.setRawHeader("Accept", "application/json");
+	request.setRawHeader("Authorization",
+						 QString("Bearer %1").arg(token).toUtf8());
+
+	QString payloadTemplate("{\"profileName\":\"%1\"}");
+	auto data = payloadTemplate.arg(profileName).toUtf8();
+
+	AuthRequest* requestor = new AuthRequest(this);
+	connect(requestor, &AuthRequest::finished, this,
+			&ProfileSetupDialog::setupProfileFinished);
+	requestor->post(request, data);
+	isWorking = true;
+
+	auto button = ui->buttonBox->button(QDialogButtonBox::Cancel);
+	button->setEnabled(false);
+}
+
+namespace
+{
+
+	struct MojangError {
+		static MojangError fromJSON(QByteArray data)
+		{
+			MojangError out;
+			out.error = QString::fromUtf8(data);
+			auto doc = QJsonDocument::fromJson(data, &out.parseError);
+			auto object = doc.object();
+
+			out.fullyParsed = true;
+			out.fullyParsed &=
+				Parsers::getString(object.value("path"), out.path);
+			out.fullyParsed &=
+				Parsers::getString(object.value("error"), out.error);
+			out.fullyParsed &= Parsers::getString(object.value("errorMessage"),
+												  out.errorMessage);
+
+			return out;
+		}
+
+		QString rawError;
+		QJsonParseError parseError;
+		bool fullyParsed;
+
+		QString path;
+		QString error;
+		QString errorMessage;
+	};
+
+} // namespace
+
+void ProfileSetupDialog::setupProfileFinished(
+	QNetworkReply::NetworkError error, QByteArray data,
+	QList<QNetworkReply::RawHeaderPair> headers)
+{
+	auto requestor = qobject_cast<AuthRequest*>(QObject::sender());
+	requestor->deleteLater();
+
+	isWorking = false;
+	if (error == QNetworkReply::NoError) {
+		/*
+		 * data contains the profile in the response
+		 * ... we could parse it and update the account, but let's just return
+		 * back to the normal login flow instead...
+		 */
+		accept();
+	} else {
+		auto parsedError = MojangError::fromJSON(data);
+		ui->errorLabel->setVisible(true);
+		ui->errorLabel->setText(tr("The server returned the following error:") +
+								"\n\n" + parsedError.errorMessage);
+		qDebug() << parsedError.rawError;
+		auto button = ui->buttonBox->button(QDialogButtonBox::Cancel);
+		button->setEnabled(true);
+	}
+}
diff --git a/meshmc/launcher/ui/dialogs/ProfileSetupDialog.h b/meshmc/launcher/ui/dialogs/ProfileSetupDialog.h
new file mode 100644
index 0000000000..44cf3d8930
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProfileSetupDialog.h
@@ -0,0 +1,105 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <QIcon>
+#include <QTimer>
+#include <QNetworkReply>
+
+#include <memory>
+#include <minecraft/auth/MinecraftAccount.h>
+
+namespace Ui
+{
+	class ProfileSetupDialog;
+}
+
+class ProfileSetupDialog : public QDialog
+{
+	Q_OBJECT
+  public:
+	explicit ProfileSetupDialog(MinecraftAccountPtr accountToSetup,
+								QWidget* parent = 0);
+	~ProfileSetupDialog();
+
+	enum class NameStatus {
+		NotSet,
+		Pending,
+		Available,
+		Exists,
+		Error
+	} nameStatus = NameStatus::NotSet;
+
+  private slots:
+	void on_buttonBox_accepted();
+	void on_buttonBox_rejected();
+
+	void nameEdited(const QString& name);
+	void checkFinished(QNetworkReply::NetworkError error, QByteArray data,
+					   QList<QNetworkReply::RawHeaderPair> headers);
+	void startCheck();
+
+	void setupProfileFinished(QNetworkReply::NetworkError error,
+							  QByteArray data,
+							  QList<QNetworkReply::RawHeaderPair> headers);
+
+  protected:
+	void scheduleCheck(const QString& name);
+	void checkName(const QString& name);
+	void setNameStatus(NameStatus status, QString errorString);
+
+	void setupProfile(const QString& profileName);
+
+  private:
+	MinecraftAccountPtr m_accountToSetup;
+	Ui::ProfileSetupDialog* ui;
+	QIcon goodIcon;
+	QIcon yellowIcon;
+	QIcon badIcon;
+	QAction* validityAction = nullptr;
+
+	QString queuedCheck;
+
+	bool isChecking = false;
+	bool isWorking = false;
+	QString currentCheck;
+
+	QTimer checkStartTimer;
+};
diff --git a/meshmc/launcher/ui/dialogs/ProfileSetupDialog.ui b/meshmc/launcher/ui/dialogs/ProfileSetupDialog.ui
new file mode 100644
index 0000000000..9dbabb4b3e
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProfileSetupDialog.ui
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ProfileSetupDialog</class>
+ <widget class="QDialog" name="ProfileSetupDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>615</width>
+    <height>208</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Choose Minecraft name</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" colspan="2">
+    <widget class="QLabel" name="descriptionLabel">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>You just need to take one more step to be able to play Minecraft on this account.
+
+Choose your name carefully:</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+     <property name="buddy">
+      <cstring>nameEdit</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLineEdit" name="nameEdit"/>
+   </item>
+   <item row="4" column="0" colspan="2">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <widget class="QLabel" name="errorLabel">
+     <property name="enabled">
+      <bool>true</bool>
+     </property>
+     <property name="text">
+      <string notr="true">Errors go here</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse|Qt::TextBrowserInteraction|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>nameEdit</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/ProgressDialog.cpp b/meshmc/launcher/ui/dialogs/ProgressDialog.cpp
new file mode 100644
index 0000000000..61109946bc
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProgressDialog.cpp
@@ -0,0 +1,201 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ProgressDialog.h"
+#include "ui_ProgressDialog.h"
+
+#include <QKeyEvent>
+#include <QDebug>
+
+#include "tasks/Task.h"
+
+ProgressDialog::ProgressDialog(QWidget* parent)
+	: QDialog(parent), ui(new Ui::ProgressDialog)
+{
+	ui->setupUi(this);
+	this->setWindowFlags(this->windowFlags() &
+						 ~Qt::WindowContextHelpButtonHint);
+	setSkipButton(false);
+	changeProgress(0, 100);
+}
+
+void ProgressDialog::setSkipButton(bool present, QString label)
+{
+	ui->skipButton->setAutoDefault(false);
+	ui->skipButton->setDefault(false);
+	ui->skipButton->setFocusPolicy(Qt::ClickFocus);
+	ui->skipButton->setEnabled(present);
+	ui->skipButton->setVisible(present);
+	ui->skipButton->setText(label);
+	updateSize();
+}
+
+void ProgressDialog::on_skipButton_clicked(bool checked)
+{
+	Q_UNUSED(checked);
+	task->abort();
+}
+
+ProgressDialog::~ProgressDialog()
+{
+	delete ui;
+}
+
+void ProgressDialog::updateSize()
+{
+	QSize qSize = QSize(480, minimumSizeHint().height());
+	resize(qSize);
+	setFixedSize(qSize);
+}
+
+int ProgressDialog::execWithTask(Task* task)
+{
+	this->task = task;
+	QDialog::DialogCode result;
+
+	if (!task) {
+		qDebug() << "Programmer error: progress dialog created with null task.";
+		return Accepted;
+	}
+
+	if (handleImmediateResult(result)) {
+		return result;
+	}
+
+	// Connect signals.
+	connect(task, SIGNAL(started()), SLOT(onTaskStarted()));
+	connect(task, SIGNAL(failed(QString)), SLOT(onTaskFailed(QString)));
+	connect(task, SIGNAL(succeeded()), SLOT(onTaskSucceeded()));
+	connect(task, SIGNAL(status(QString)), SLOT(changeStatus(const QString&)));
+	connect(task, SIGNAL(progress(qint64, qint64)),
+			SLOT(changeProgress(qint64, qint64)));
+
+	// if this didn't connect to an already running task, invoke start
+	if (!task->isRunning()) {
+		task->start();
+	}
+	if (task->isRunning()) {
+		changeProgress(task->getProgress(), task->getTotalProgress());
+		changeStatus(task->getStatus());
+		return QDialog::exec();
+	} else if (handleImmediateResult(result)) {
+		return result;
+	} else {
+		return QDialog::Rejected;
+	}
+}
+
+// TODO: only provide the unique_ptr overloads
+int ProgressDialog::execWithTask(std::unique_ptr<Task>&& task)
+{
+	connect(this, &ProgressDialog::destroyed, task.get(), &Task::deleteLater);
+	return execWithTask(task.release());
+}
+int ProgressDialog::execWithTask(std::unique_ptr<Task>& task)
+{
+	connect(this, &ProgressDialog::destroyed, task.get(), &Task::deleteLater);
+	return execWithTask(task.release());
+}
+
+bool ProgressDialog::handleImmediateResult(QDialog::DialogCode& result)
+{
+	if (task->isFinished()) {
+		if (task->wasSuccessful()) {
+			result = QDialog::Accepted;
+		} else {
+			result = QDialog::Rejected;
+		}
+		return true;
+	}
+	return false;
+}
+
+Task* ProgressDialog::getTask()
+{
+	return task;
+}
+
+void ProgressDialog::onTaskStarted() {}
+
+void ProgressDialog::onTaskFailed(QString failure)
+{
+	reject();
+}
+
+void ProgressDialog::onTaskSucceeded()
+{
+	accept();
+}
+
+void ProgressDialog::changeStatus(const QString& status)
+{
+	ui->statusLabel->setText(status);
+	updateSize();
+}
+
+void ProgressDialog::changeProgress(qint64 current, qint64 total)
+{
+	ui->taskProgressBar->setMaximum(total);
+	ui->taskProgressBar->setValue(current);
+}
+
+void ProgressDialog::keyPressEvent(QKeyEvent* e)
+{
+	if (ui->skipButton->isVisible()) {
+		if (e->key() == Qt::Key_Escape) {
+			on_skipButton_clicked(true);
+			return;
+		} else if (e->key() == Qt::Key_Tab) {
+			ui->skipButton->setFocusPolicy(Qt::StrongFocus);
+			ui->skipButton->setFocus();
+			ui->skipButton->setAutoDefault(true);
+			ui->skipButton->setDefault(true);
+			return;
+		}
+	}
+	QDialog::keyPressEvent(e);
+}
+
+void ProgressDialog::closeEvent(QCloseEvent* e)
+{
+	if (task && task->isRunning()) {
+		e->ignore();
+	} else {
+		QDialog::closeEvent(e);
+	}
+}
diff --git a/meshmc/launcher/ui/dialogs/ProgressDialog.h b/meshmc/launcher/ui/dialogs/ProgressDialog.h
new file mode 100644
index 0000000000..38d4454a26
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProgressDialog.h
@@ -0,0 +1,91 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <memory>
+
+class Task;
+
+namespace Ui
+{
+	class ProgressDialog;
+}
+
+class ProgressDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit ProgressDialog(QWidget* parent = 0);
+	~ProgressDialog();
+
+	void updateSize();
+
+	int execWithTask(Task* task);
+	int execWithTask(std::unique_ptr<Task>&& task);
+	int execWithTask(std::unique_ptr<Task>& task);
+
+	void setSkipButton(bool present, QString label = QString());
+
+	Task* getTask();
+
+  public slots:
+	void onTaskStarted();
+	void onTaskFailed(QString failure);
+	void onTaskSucceeded();
+
+	void changeStatus(const QString& status);
+	void changeProgress(qint64 current, qint64 total);
+
+  private slots:
+	void on_skipButton_clicked(bool checked);
+
+  protected:
+	virtual void keyPressEvent(QKeyEvent* e);
+	virtual void closeEvent(QCloseEvent* e);
+
+  private:
+	bool handleImmediateResult(QDialog::DialogCode& result);
+
+  private:
+	Ui::ProgressDialog* ui;
+
+	Task* task;
+};
diff --git a/meshmc/launcher/ui/dialogs/ProgressDialog.ui b/meshmc/launcher/ui/dialogs/ProgressDialog.ui
new file mode 100644
index 0000000000..04b8fef33a
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/ProgressDialog.ui
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ProgressDialog</class>
+ <widget class="QDialog" name="ProgressDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>100</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>400</width>
+    <height>0</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>16777215</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Please wait...</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QLabel" name="statusLabel">
+     <property name="text">
+      <string>Task Status...</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QProgressBar" name="taskProgressBar">
+     <property name="value">
+      <number>24</number>
+     </property>
+     <property name="textVisible">
+      <bool>false</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QPushButton" name="skipButton">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>Skip</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/SkinUploadDialog.cpp b/meshmc/launcher/ui/dialogs/SkinUploadDialog.cpp
new file mode 100644
index 0000000000..414e0acaf0
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/SkinUploadDialog.cpp
@@ -0,0 +1,163 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <QFileInfo>
+#include <QFileDialog>
+#include <QPainter>
+#include <QRegularExpression>
+
+#include <FileSystem.h>
+
+#include <minecraft/services/SkinUpload.h>
+#include <minecraft/services/CapeChange.h>
+#include <tasks/SequentialTask.h>
+
+#include "SkinUploadDialog.h"
+#include "ui_SkinUploadDialog.h"
+#include "ProgressDialog.h"
+#include "CustomMessageBox.h"
+
+void SkinUploadDialog::on_buttonBox_rejected()
+{
+	close();
+}
+
+void SkinUploadDialog::on_buttonBox_accepted()
+{
+	QString fileName;
+	QString input = ui->skinPathTextBox->text();
+	QRegularExpression urlPrefixMatcher("^([a-z]+)://.+$");
+	bool isLocalFile = false;
+	// it has an URL prefix -> it is an URL
+	if (urlPrefixMatcher.match(input).hasMatch()) {
+		QUrl fileURL = input;
+		if (fileURL.isValid()) {
+			// local?
+			if (fileURL.isLocalFile()) {
+				isLocalFile = true;
+				fileName = fileURL.toLocalFile();
+			} else {
+				CustomMessageBox::selectable(
+					this, tr("Skin Upload"),
+					tr("Using remote URLs for setting skins is not implemented "
+					   "yet."),
+					QMessageBox::Warning)
+					->exec();
+				close();
+				return;
+			}
+		} else {
+			CustomMessageBox::selectable(
+				this, tr("Skin Upload"),
+				tr("You cannot use an invalid URL for uploading skins."),
+				QMessageBox::Warning)
+				->exec();
+			close();
+			return;
+		}
+	} else {
+		// just assume it's a path then
+		isLocalFile = true;
+		fileName = ui->skinPathTextBox->text();
+	}
+	if (isLocalFile && !QFile::exists(fileName)) {
+		CustomMessageBox::selectable(this, tr("Skin Upload"),
+									 tr("Skin file does not exist!"),
+									 QMessageBox::Warning)
+			->exec();
+		close();
+		return;
+	}
+	SkinUpload::Model model = SkinUpload::STEVE;
+	if (ui->steveBtn->isChecked()) {
+		model = SkinUpload::STEVE;
+	} else if (ui->alexBtn->isChecked()) {
+		model = SkinUpload::ALEX;
+	}
+	ProgressDialog prog(this);
+	SequentialTask skinUpload;
+	skinUpload.addTask(shared_qobject_ptr<SkinUpload>(new SkinUpload(
+		this, m_acct->accessToken(), FS::read(fileName), model)));
+	auto selectedCape = ui->capeCombo->currentData().toString();
+	if (selectedCape != m_acct->accountData()->minecraftProfile.currentCape) {
+		skinUpload.addTask(shared_qobject_ptr<CapeChange>(
+			new CapeChange(this, m_acct->accessToken(), selectedCape)));
+	}
+	if (prog.execWithTask(&skinUpload) != QDialog::Accepted) {
+		CustomMessageBox::selectable(this, tr("Skin Upload"),
+									 tr("Failed to upload skin!"),
+									 QMessageBox::Warning)
+			->exec();
+		close();
+		return;
+	}
+	CustomMessageBox::selectable(this, tr("Skin Upload"), tr("Success"),
+								 QMessageBox::Information)
+		->exec();
+	close();
+}
+
+void SkinUploadDialog::on_skinBrowseBtn_clicked()
+{
+	QString raw_path = QFileDialog::getOpenFileName(
+		this, tr("Select Skin Texture"), QString(), "*.png");
+	if (raw_path.isEmpty() || !QFileInfo::exists(raw_path)) {
+		return;
+	}
+	QString cooked_path = FS::NormalizePath(raw_path);
+	ui->skinPathTextBox->setText(cooked_path);
+}
+
+SkinUploadDialog::SkinUploadDialog(MinecraftAccountPtr acct, QWidget* parent)
+	: QDialog(parent), m_acct(acct), ui(new Ui::SkinUploadDialog)
+{
+	ui->setupUi(this);
+
+	// FIXME: add a model for this, download/refresh the capes on demand
+	auto& data = *acct->accountData();
+	int index = 0;
+	ui->capeCombo->addItem(tr("No Cape"), QVariant());
+	auto currentCape = data.minecraftProfile.currentCape;
+	if (currentCape.isEmpty()) {
+		ui->capeCombo->setCurrentIndex(index);
+	}
+
+	for (auto& cape : data.minecraftProfile.capes) {
+		index++;
+		if (cape.data.size()) {
+			QPixmap capeImage;
+			if (capeImage.loadFromData(cape.data, "PNG")) {
+				QPixmap preview = QPixmap(10, 16);
+				QPainter painter(&preview);
+				painter.drawPixmap(0, 0, capeImage.copy(1, 1, 10, 16));
+				ui->capeCombo->addItem(capeImage, cape.alias, cape.id);
+				if (currentCape == cape.id) {
+					ui->capeCombo->setCurrentIndex(index);
+				}
+				continue;
+			}
+		}
+		ui->capeCombo->addItem(cape.alias, cape.id);
+		if (currentCape == cape.id) {
+			ui->capeCombo->setCurrentIndex(index);
+		}
+	}
+}
diff --git a/meshmc/launcher/ui/dialogs/SkinUploadDialog.h b/meshmc/launcher/ui/dialogs/SkinUploadDialog.h
new file mode 100644
index 0000000000..3c9b7aceb2
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/SkinUploadDialog.h
@@ -0,0 +1,51 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <minecraft/auth/MinecraftAccount.h>
+
+namespace Ui
+{
+	class SkinUploadDialog;
+}
+
+class SkinUploadDialog : public QDialog
+{
+	Q_OBJECT
+  public:
+	explicit SkinUploadDialog(MinecraftAccountPtr acct, QWidget* parent = 0);
+	virtual ~SkinUploadDialog() {};
+
+  public slots:
+	void on_buttonBox_accepted();
+
+	void on_buttonBox_rejected();
+
+	void on_skinBrowseBtn_clicked();
+
+  protected:
+	MinecraftAccountPtr m_acct;
+
+  private:
+	Ui::SkinUploadDialog* ui;
+};
diff --git a/meshmc/launcher/ui/dialogs/SkinUploadDialog.ui b/meshmc/launcher/ui/dialogs/SkinUploadDialog.ui
new file mode 100644
index 0000000000..f4b0ed0aa7
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/SkinUploadDialog.ui
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SkinUploadDialog</class>
+ <widget class="QDialog" name="SkinUploadDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>394</width>
+    <height>360</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Skin Upload</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="fileBox">
+     <property name="title">
+      <string>Skin File</string>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <widget class="QLineEdit" name="skinPathTextBox"/>
+      </item>
+      <item>
+       <widget class="QPushButton" name="skinBrowseBtn">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>28</width>
+          <height>16777215</height>
+         </size>
+        </property>
+        <property name="text">
+         <string notr="true">...</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="modelBox">
+     <property name="title">
+      <string>Player Model</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_1">
+      <item>
+       <widget class="QRadioButton" name="steveBtn">
+        <property name="text">
+         <string>Steve Model</string>
+        </property>
+        <property name="checked">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QRadioButton" name="alexBtn">
+        <property name="text">
+         <string>Alex Model</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="capeBox">
+     <property name="title">
+      <string>Cape</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QComboBox" name="capeCombo"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/UpdateDialog.cpp b/meshmc/launcher/ui/dialogs/UpdateDialog.cpp
new file mode 100644
index 0000000000..74838fc8be
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/UpdateDialog.cpp
@@ -0,0 +1,77 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "UpdateDialog.h"
+#include "ui_UpdateDialog.h"
+#include "Application.h"
+#include "BuildConfig.h"
+
+UpdateDialog::UpdateDialog(bool hasUpdate, const UpdateAvailableStatus& status,
+						   QWidget* parent)
+	: QDialog(parent), ui(new Ui::UpdateDialog)
+{
+	ui->setupUi(this);
+
+	if (hasUpdate) {
+		ui->label->setText(
+			tr("<b>%1 %2</b> is available!")
+				.arg(BuildConfig.MESHMC_DISPLAYNAME, status.version));
+
+		if (!status.releaseNotes.isEmpty()) {
+			ui->changelogBrowser->setHtml(status.releaseNotes);
+		} else {
+			ui->changelogBrowser->setHtml(
+				tr("<center><p>No release notes available.</p></center>"));
+		}
+	} else {
+		ui->label->setText(tr("You are running the latest version of %1.")
+							   .arg(BuildConfig.MESHMC_DISPLAYNAME));
+		ui->changelogBrowser->setHtml(
+			tr("<center><p>No updates found.</p></center>"));
+		ui->btnUpdateNow->setHidden(true);
+		ui->btnUpdateLater->setText(tr("Close"));
+	}
+
+	restoreGeometry(QByteArray::fromBase64(
+		APPLICATION->settings()->get("UpdateDialogGeometry").toByteArray()));
+}
+
+UpdateDialog::~UpdateDialog()
+{
+	delete ui;
+}
+
+void UpdateDialog::on_btnUpdateLater_clicked()
+{
+	reject();
+}
+
+void UpdateDialog::on_btnUpdateNow_clicked()
+{
+	done(UPDATE_NOW);
+}
+
+void UpdateDialog::closeEvent(QCloseEvent* evt)
+{
+	APPLICATION->settings()->set("UpdateDialogGeometry",
+								 saveGeometry().toBase64());
+	QDialog::closeEvent(evt);
+}
diff --git a/meshmc/launcher/ui/dialogs/UpdateDialog.h b/meshmc/launcher/ui/dialogs/UpdateDialog.h
new file mode 100644
index 0000000000..1bc1775710
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/UpdateDialog.h
@@ -0,0 +1,80 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include "updater/UpdateChecker.h"
+
+namespace Ui
+{
+	class UpdateDialog;
+}
+
+enum UpdateAction {
+	UPDATE_LATER = QDialog::Rejected,
+	UPDATE_NOW = QDialog::Accepted,
+};
+
+class UpdateDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	/*!
+	 * Constructs the update dialog.
+	 * \a hasUpdate    - true when an update is available (shows "Update now"
+	 * button).
+	 * \a status       - update information (version, release notes); ignored
+	 * when hasUpdate is false.
+	 */
+	explicit UpdateDialog(bool hasUpdate,
+						  const UpdateAvailableStatus& status = {},
+						  QWidget* parent = nullptr);
+	~UpdateDialog();
+
+  public slots:
+	void on_btnUpdateNow_clicked();
+	void on_btnUpdateLater_clicked();
+
+  protected:
+	void closeEvent(QCloseEvent*) override;
+
+  private:
+	Ui::UpdateDialog* ui;
+};
diff --git a/meshmc/launcher/ui/dialogs/UpdateDialog.ui b/meshmc/launcher/ui/dialogs/UpdateDialog.ui
new file mode 100644
index 0000000000..ed895883c9
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/UpdateDialog.ui
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>UpdateDialog</class>
+ <widget class="QDialog" name="UpdateDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>657</width>
+    <height>673</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MeshMC Update</string>
+  </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>:/icons/toolbar/checkupdate</normaloff>:/icons/toolbar/checkupdate</iconset>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="font">
+        <font>
+         <pointsize>14</pointsize>
+        </font>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+       </property>
+       <property name="buddy">
+        <cstring>changelogBrowser</cstring>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QTextBrowser" name="changelogBrowser">
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
+      <widget class="QPushButton" name="btnUpdateNow">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>Update now</string>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QPushButton" name="btnUpdateLater">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>Don't update yet</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>changelogBrowser</tabstop>
+  <tabstop>btnUpdateNow</tabstop>
+  <tabstop>btnUpdateLater</tabstop>
+ </tabstops>
+ <resources>
+  <include location="../../resources/multimc/multimc.qrc"/>
+ </resources>
+ <connections/>
+</ui>
diff --git a/meshmc/launcher/ui/dialogs/VersionSelectDialog.cpp b/meshmc/launcher/ui/dialogs/VersionSelectDialog.cpp
new file mode 100644
index 0000000000..d8ef9b1245
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/VersionSelectDialog.cpp
@@ -0,0 +1,166 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "VersionSelectDialog.h"
+
+#include <QtWidgets/QButtonGroup>
+#include <QtWidgets/QDialogButtonBox>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QVBoxLayout>
+#include <QDebug>
+
+#include "ui/dialogs/ProgressDialog.h"
+#include "ui/widgets/VersionSelectWidget.h"
+#include "ui/dialogs/CustomMessageBox.h"
+
+#include "BaseVersion.h"
+#include "BaseVersionList.h"
+#include "tasks/Task.h"
+#include "Application.h"
+#include "VersionProxyModel.h"
+
+VersionSelectDialog::VersionSelectDialog(BaseVersionList* vlist, QString title,
+										 QWidget* parent, bool cancelable)
+	: QDialog(parent)
+{
+	setObjectName(QStringLiteral("VersionSelectDialog"));
+	resize(400, 347);
+	m_verticalLayout = new QVBoxLayout(this);
+	m_verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
+
+	m_versionWidget = new VersionSelectWidget(parent);
+	m_verticalLayout->addWidget(m_versionWidget);
+
+	m_horizontalLayout = new QHBoxLayout();
+	m_horizontalLayout->setObjectName(QStringLiteral("horizontalLayout"));
+
+	m_refreshButton = new QPushButton(this);
+	m_refreshButton->setObjectName(QStringLiteral("refreshButton"));
+	m_horizontalLayout->addWidget(m_refreshButton);
+
+	m_buttonBox = new QDialogButtonBox(this);
+	m_buttonBox->setObjectName(QStringLiteral("buttonBox"));
+	m_buttonBox->setOrientation(Qt::Horizontal);
+	m_buttonBox->setStandardButtons(QDialogButtonBox::Cancel |
+									QDialogButtonBox::Ok);
+	m_horizontalLayout->addWidget(m_buttonBox);
+
+	m_verticalLayout->addLayout(m_horizontalLayout);
+
+	retranslate();
+
+	QObject::connect(m_buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+	QObject::connect(m_buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+
+	QMetaObject::connectSlotsByName(this);
+	setWindowModality(Qt::WindowModal);
+	setWindowTitle(title);
+
+	m_vlist = vlist;
+
+	if (!cancelable) {
+		m_buttonBox->button(QDialogButtonBox::Cancel)->setEnabled(false);
+	}
+}
+
+void VersionSelectDialog::retranslate()
+{
+	// FIXME: overrides custom title given in constructor!
+	setWindowTitle(tr("Choose Version"));
+	m_refreshButton->setToolTip(tr("Reloads the version list."));
+	m_refreshButton->setText(tr("&Refresh"));
+}
+
+void VersionSelectDialog::setCurrentVersion(const QString& version)
+{
+	m_currentVersion = version;
+	m_versionWidget->setCurrentVersion(version);
+}
+
+void VersionSelectDialog::setEmptyString(QString emptyString)
+{
+	m_versionWidget->setEmptyString(emptyString);
+}
+
+void VersionSelectDialog::setEmptyErrorString(QString emptyErrorString)
+{
+	m_versionWidget->setEmptyErrorString(emptyErrorString);
+}
+
+void VersionSelectDialog::setResizeOn(int column)
+{
+	resizeOnColumn = column;
+}
+
+int VersionSelectDialog::exec()
+{
+	QDialog::open();
+	m_versionWidget->initialize(m_vlist);
+	if (resizeOnColumn != -1) {
+		m_versionWidget->setResizeOn(resizeOnColumn);
+	}
+	return QDialog::exec();
+}
+
+void VersionSelectDialog::selectRecommended()
+{
+	m_versionWidget->selectRecommended();
+}
+
+BaseVersionPtr VersionSelectDialog::selectedVersion() const
+{
+	return m_versionWidget->selectedVersion();
+}
+
+void VersionSelectDialog::on_refreshButton_clicked()
+{
+	m_versionWidget->loadList();
+}
+
+void VersionSelectDialog::setExactFilter(BaseVersionList::ModelRoles role,
+										 QString filter)
+{
+	m_versionWidget->setExactFilter(role, filter);
+}
+
+void VersionSelectDialog::setFuzzyFilter(BaseVersionList::ModelRoles role,
+										 QString filter)
+{
+	m_versionWidget->setFuzzyFilter(role, filter);
+}
diff --git a/meshmc/launcher/ui/dialogs/VersionSelectDialog.h b/meshmc/launcher/ui/dialogs/VersionSelectDialog.h
new file mode 100644
index 0000000000..8db01cc62c
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/VersionSelectDialog.h
@@ -0,0 +1,101 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include <QSortFilterProxyModel>
+
+#include "BaseVersionList.h"
+
+class QVBoxLayout;
+class QHBoxLayout;
+class QDialogButtonBox;
+class VersionSelectWidget;
+class QPushButton;
+
+namespace Ui
+{
+	class VersionSelectDialog;
+}
+
+class VersionProxyModel;
+
+class VersionSelectDialog : public QDialog
+{
+	Q_OBJECT
+
+  public:
+	explicit VersionSelectDialog(BaseVersionList* vlist, QString title,
+								 QWidget* parent = 0, bool cancelable = true);
+	virtual ~VersionSelectDialog() {};
+
+	int exec() override;
+
+	BaseVersionPtr selectedVersion() const;
+
+	void setCurrentVersion(const QString& version);
+	void setFuzzyFilter(BaseVersionList::ModelRoles role, QString filter);
+	void setExactFilter(BaseVersionList::ModelRoles role, QString filter);
+	void setEmptyString(QString emptyString);
+	void setEmptyErrorString(QString emptyErrorString);
+	void setResizeOn(int column);
+
+  private slots:
+	void on_refreshButton_clicked();
+
+  private:
+	void retranslate();
+	void selectRecommended();
+
+  private:
+	QString m_currentVersion;
+	VersionSelectWidget* m_versionWidget = nullptr;
+	QVBoxLayout* m_verticalLayout = nullptr;
+	QHBoxLayout* m_horizontalLayout = nullptr;
+	QPushButton* m_refreshButton = nullptr;
+	QDialogButtonBox* m_buttonBox = nullptr;
+
+	BaseVersionList* m_vlist = nullptr;
+
+	VersionProxyModel* m_proxyModel = nullptr;
+
+	int resizeOnColumn = -1;
+
+	Task* loadTask = nullptr;
+};