diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0590b348..53db7d76 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -63,6 +63,7 @@ jobs:
             ninja:p
             qt5:p
             ccache:p
+            nsis:p
 
       - name: Setup ccache
         if: runner.os != 'Windows' && inputs.build_type == 'Debug'
@@ -100,7 +101,7 @@ jobs:
         run: |
          brew update
          brew install qt@5 ninja
-         
+
       - name: Update Qt (AppImage)
         if: runner.os == 'Linux' && matrix.appimage == true
         run: |
@@ -190,6 +191,13 @@ jobs:
           cp -r ${{ env.INSTALL_DIR }} ${{ env.INSTALL_PORTABLE_DIR }}  # cmake install on Windows is slow, let's just copy instead
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_PORTABLE_DIR }} --component portable
 
+      - name: Package (Windows, installer)
+        if: runner.os == 'Windows'
+        shell: msys2 {0}
+        run: |
+          cd ${{ env.INSTALL_DIR }}
+          makensis -NOCD "-DVERSION=${{ env.VERSION }}" "-DMUI_ICON=${{ github.workspace }}/program_info/polymc.ico" "-XOutFile ${{ github.workspace }}/PolyMC-Setup.exe" "${{ github.workspace }}/program_info/win_install.nsi"
+
       - name: Package (Linux)
         if: runner.os == 'Linux' && matrix.appimage != true
         run: |
@@ -257,6 +265,13 @@ jobs:
           name: PolyMC-${{ matrix.name }}-Portable-${{ env.VERSION }}-${{ inputs.build_type }}
           path: ${{ env.INSTALL_PORTABLE_DIR }}/**
 
+      - name: Upload installer (Windows)
+        if: runner.os == 'Windows'
+        uses: actions/upload-artifact@v3
+        with:
+          name: PolyMC-${{ matrix.name }}-Setup-${{ env.VERSION }}-${{ inputs.build_type }}
+          path: PolyMC-Setup.exe
+
       - name: Upload binary tarball (Linux)
         if: runner.os == 'Linux' && matrix.appimage != true
         uses: actions/upload-artifact@v3
diff --git a/.github/workflows/trigger_release.yml b/.github/workflows/trigger_release.yml
index ff0d2b3f..91cd0474 100644
--- a/.github/workflows/trigger_release.yml
+++ b/.github/workflows/trigger_release.yml
@@ -43,10 +43,12 @@ jobs:
           for d in PolyMC-Windows-*; do
             cd "${d}" || continue
             ARCH="$(echo -n ${d} | cut -d '-' -f 3)"
+            INST="$(echo -n ${d} | grep -o Setup || true)"
             PORT="$(echo -n ${d} | grep -o Portable || true)"
             NAME="PolyMC-Windows-${ARCH}"
             test -z "${PORT}" || NAME="${NAME}-Portable"
-            zip -r -9 "../${NAME}-${{ env.VERSION }}.zip" *
+            test -z "${INST}" || mv PolyMC-*.exe ../${NAME}-Setup-${{ env.VERSION }}.exe
+            test -n "${INST}" || zip -r -9 "../${NAME}-${{ env.VERSION }}.zip" *
             cd ..
           done
 
@@ -66,7 +68,9 @@ jobs:
             PolyMC-Linux-${{ env.VERSION }}-x86_64.AppImage
             PolyMC-Windows-i686-${{ env.VERSION }}.zip
             PolyMC-Windows-i686-Portable-${{ env.VERSION }}.zip
+            PolyMC-Windows-i686-Setup-${{ env.VERSION }}.exe
             PolyMC-Windows-x86_64-${{ env.VERSION }}.zip
             PolyMC-Windows-x86_64-Portable-${{ env.VERSION }}.zip
+            PolyMC-Windows-x86_64-Setup-${{ env.VERSION }}.exe
             PolyMC-macOS-${{ env.VERSION }}.tar.gz
             PolyMC-${{ env.VERSION }}.tar.gz
diff --git a/program_info/win_install.nsi b/program_info/win_install.nsi
new file mode 100644
index 00000000..4ca4de1a
--- /dev/null
+++ b/program_info/win_install.nsi
@@ -0,0 +1,233 @@
+!include "FileFunc.nsh"
+!include "LogicLib.nsh"
+!include "MUI2.nsh"
+
+Unicode true
+
+Name "PolyMC"
+InstallDir "$LOCALAPPDATA\Programs\PolyMC"
+InstallDirRegKey HKCU "Software\PolyMC" "InstallDir"
+RequestExecutionLevel user
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!define MUI_COMPONENTSPAGE_NODESC
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_INSTFILES
+!define MUI_FINISHPAGE_RUN "$InstDir\polymc.exe"
+!insertmacro MUI_PAGE_FINISH
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+
+!insertmacro MUI_LANGUAGE "English"
+!insertmacro MUI_LANGUAGE "French"
+!insertmacro MUI_LANGUAGE "German"
+!insertmacro MUI_LANGUAGE "Spanish"
+!insertmacro MUI_LANGUAGE "SpanishInternational"
+!insertmacro MUI_LANGUAGE "SimpChinese"
+!insertmacro MUI_LANGUAGE "TradChinese"
+!insertmacro MUI_LANGUAGE "Japanese"
+!insertmacro MUI_LANGUAGE "Korean"
+!insertmacro MUI_LANGUAGE "Italian"
+!insertmacro MUI_LANGUAGE "Dutch"
+!insertmacro MUI_LANGUAGE "Danish"
+!insertmacro MUI_LANGUAGE "Swedish"
+!insertmacro MUI_LANGUAGE "Norwegian"
+!insertmacro MUI_LANGUAGE "NorwegianNynorsk"
+!insertmacro MUI_LANGUAGE "Finnish"
+!insertmacro MUI_LANGUAGE "Greek"
+!insertmacro MUI_LANGUAGE "Russian"
+!insertmacro MUI_LANGUAGE "Portuguese"
+!insertmacro MUI_LANGUAGE "PortugueseBR"
+!insertmacro MUI_LANGUAGE "Polish"
+!insertmacro MUI_LANGUAGE "Ukrainian"
+!insertmacro MUI_LANGUAGE "Czech"
+!insertmacro MUI_LANGUAGE "Slovak"
+!insertmacro MUI_LANGUAGE "Croatian"
+!insertmacro MUI_LANGUAGE "Bulgarian"
+!insertmacro MUI_LANGUAGE "Hungarian"
+!insertmacro MUI_LANGUAGE "Thai"
+!insertmacro MUI_LANGUAGE "Romanian"
+!insertmacro MUI_LANGUAGE "Latvian"
+!insertmacro MUI_LANGUAGE "Macedonian"
+!insertmacro MUI_LANGUAGE "Estonian"
+!insertmacro MUI_LANGUAGE "Turkish"
+!insertmacro MUI_LANGUAGE "Lithuanian"
+!insertmacro MUI_LANGUAGE "Slovenian"
+!insertmacro MUI_LANGUAGE "Serbian"
+!insertmacro MUI_LANGUAGE "SerbianLatin"
+!insertmacro MUI_LANGUAGE "Arabic"
+!insertmacro MUI_LANGUAGE "Farsi"
+!insertmacro MUI_LANGUAGE "Hebrew"
+!insertmacro MUI_LANGUAGE "Indonesian"
+!insertmacro MUI_LANGUAGE "Mongolian"
+!insertmacro MUI_LANGUAGE "Luxembourgish"
+!insertmacro MUI_LANGUAGE "Albanian"
+!insertmacro MUI_LANGUAGE "Breton"
+!insertmacro MUI_LANGUAGE "Belarusian"
+!insertmacro MUI_LANGUAGE "Icelandic"
+!insertmacro MUI_LANGUAGE "Malay"
+!insertmacro MUI_LANGUAGE "Bosnian"
+!insertmacro MUI_LANGUAGE "Kurdish"
+!insertmacro MUI_LANGUAGE "Irish"
+!insertmacro MUI_LANGUAGE "Uzbek"
+!insertmacro MUI_LANGUAGE "Galician"
+!insertmacro MUI_LANGUAGE "Afrikaans"
+!insertmacro MUI_LANGUAGE "Catalan"
+!insertmacro MUI_LANGUAGE "Esperanto"
+!insertmacro MUI_LANGUAGE "Asturian"
+!insertmacro MUI_LANGUAGE "Basque"
+!insertmacro MUI_LANGUAGE "Pashto"
+!insertmacro MUI_LANGUAGE "ScotsGaelic"
+!insertmacro MUI_LANGUAGE "Georgian"
+!insertmacro MUI_LANGUAGE "Vietnamese"
+!insertmacro MUI_LANGUAGE "Welsh"
+!insertmacro MUI_LANGUAGE "Armenian"
+!insertmacro MUI_LANGUAGE "Corsican"
+!insertmacro MUI_LANGUAGE "Tatar"
+!insertmacro MUI_LANGUAGE "Hindi"
+
+;--------------------------------
+
+; The stuff to install
+Section "PolyMC"
+
+  SectionIn RO
+
+  nsExec::Exec /TIMEOUT=2000 'TaskKill /IM polymc.exe /F'
+
+  SetOutPath $INSTDIR
+
+  File "polymc.exe"
+  File "qt.conf"
+  File *.dll
+  File /r "iconengines"
+  File /r "imageformats"
+  File /r "jars"
+  File /r "platforms"
+  File /r "styles"
+
+  ; Write the installation path into the registry
+  WriteRegStr HKCU Software\PolyMC "InstallDir" "$INSTDIR"
+
+  ; Write the uninstall keys for Windows
+  ${GetParameters} $R0
+  ${GetOptions} $R0 "/NoUninstaller" $R1
+  ${If} ${Errors}
+    !define UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\PolyMC"
+    WriteRegStr HKCU "${UNINST_KEY}" "DisplayName" "PolyMC"
+    WriteRegStr HKCU "${UNINST_KEY}" "DisplayIcon" "$INSTDIR\polymc.exe"
+    WriteRegStr HKCU "${UNINST_KEY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+    WriteRegStr HKCU "${UNINST_KEY}" "QuietUninstallString" '"$INSTDIR\uninstall.exe" /S'
+    WriteRegStr HKCU "${UNINST_KEY}" "InstallLocation" "$INSTDIR"
+    WriteRegStr HKCU "${UNINST_KEY}" "Publisher" "PolyMC Contributors"
+    WriteRegStr HKCU "${UNINST_KEY}" "ProductVersion" "${VERSION}"
+    ${GetSize} "$INSTDIR" "/S=0K" $0 $1 $2
+    IntFmt $0 "0x%08X" $0
+    WriteRegDWORD HKCU "${UNINST_KEY}" "EstimatedSize" "$0"
+    WriteRegDWORD HKCU "${UNINST_KEY}" "NoModify" 1
+    WriteRegDWORD HKCU "${UNINST_KEY}" "NoRepair" 1
+    WriteUninstaller "$INSTDIR\uninstall.exe"
+  ${EndIf}
+
+SectionEnd
+
+Section "Start Menu Shortcuts" SHORTCUTS
+
+  CreateShortcut "$SMPROGRAMS\PolyMC.lnk" "$INSTDIR\polymc.exe" "" "$INSTDIR\polymc.exe" 0
+
+SectionEnd
+
+;--------------------------------
+
+; Uninstaller
+
+Section "Uninstall"
+
+  nsExec::Exec /TIMEOUT=2000 'TaskKill /IM polymc.exe /F'
+
+  DeleteRegKey HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\PolyMC"
+  DeleteRegKey HKCU SOFTWARE\PolyMC
+
+  Delete $INSTDIR\polymc.exe
+  Delete $INSTDIR\uninstall.exe
+  Delete $INSTDIR\portable.txt
+
+  Delete $INSTDIR\libbrotlicommon.dll
+  Delete $INSTDIR\libbrotlidec.dll
+  Delete $INSTDIR\libbz2-1.dll
+  Delete $INSTDIR\libcrypto-1_1-x64.dll
+  Delete $INSTDIR\libcrypto-1_1.dll
+  Delete $INSTDIR\libdouble-conversion.dll
+  Delete $INSTDIR\libfreetype-6.dll
+  Delete $INSTDIR\libgcc_s_seh-1.dll
+  Delete $INSTDIR\libgcc_s_dw2-1.dll
+  Delete $INSTDIR\libglib-2.0-0.dll
+  Delete $INSTDIR\libgraphite2.dll
+  Delete $INSTDIR\libharfbuzz-0.dll
+  Delete $INSTDIR\libiconv-2.dll
+  Delete $INSTDIR\libicudt69.dll
+  Delete $INSTDIR\libicuin69.dll
+  Delete $INSTDIR\libicuuc69.dll
+  Delete $INSTDIR\libintl-8.dll
+  Delete $INSTDIR\libjasper-4.dll
+  Delete $INSTDIR\libjpeg-8.dll
+  Delete $INSTDIR\libmd4c.dll
+  Delete $INSTDIR\libpcre-1.dll
+  Delete $INSTDIR\libpcre2-16-0.dll
+  Delete $INSTDIR\libpng16-16.dll
+  Delete $INSTDIR\libssl-1_1-x64.dll
+  Delete $INSTDIR\libssl-1_1.dll
+  Delete $INSTDIR\libssp-0.dll
+  Delete $INSTDIR\libstdc++-6.dll
+  Delete $INSTDIR\libwebp-7.dll
+  Delete $INSTDIR\libwebpdemux-2.dll
+  Delete $INSTDIR\libwebpmux-3.dll
+  Delete $INSTDIR\libwinpthread-1.dll
+  Delete $INSTDIR\libzstd.dll
+  Delete $INSTDIR\Qt5Core.dll
+  Delete $INSTDIR\Qt5Gui.dll
+  Delete $INSTDIR\Qt5Network.dll
+  Delete $INSTDIR\Qt5Qml.dll
+  Delete $INSTDIR\Qt5QmlModels.dll
+  Delete $INSTDIR\Qt5Quick.dll
+  Delete $INSTDIR\Qt5Svg.dll
+  Delete $INSTDIR\Qt5WebSockets.dll
+  Delete $INSTDIR\Qt5Widgets.dll
+  Delete $INSTDIR\Qt5Xml.dll
+  Delete $INSTDIR\zlib1.dll
+
+  Delete $INSTDIR\qt.conf
+
+  RMDir /r $INSTDIR\iconengines
+  RMDir /r $INSTDIR\imageformats
+  RMDir /r $INSTDIR\jars
+  RMDir /r $INSTDIR\platforms
+  RMDir /r $INSTDIR\styles
+
+  Delete "$SMPROGRAMS\PolyMC.lnk"
+
+  RMDir "$INSTDIR"
+
+SectionEnd
+
+;--------------------------------
+
+; Extra command line parameters
+
+Function .onInit
+${GetParameters} $R0
+${GetOptions} $R0 "/NoShortcuts" $R1
+${IfNot} ${Errors}
+  !insertmacro UnselectSection ${SHORTCUTS}
+${EndIf}
+FunctionEnd