diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d33470cd0916..b5b985700d91 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -181,8 +181,8 @@ jobs:
           path: out/Seamly2D-macos.zip
           if-no-files-found: error
 
-  windows:
-    name: 'Windows: Build'
+  windows-msvc:
+    name: 'Windows: Build with msvc'
     runs-on: windows-latest
     needs: version
     env:
@@ -254,10 +254,78 @@ jobs:
           path: Seamly2D-windows.zip
           if-no-files-found: error
 
+  windows-mingw:
+    name: 'Windows: Build with mingw'
+    runs-on: windows-latest
+    needs: version
+    env:
+      VERSION_NUMBER: ${{ needs.version.outputs.version_number }}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: jurplel/install-qt-action@v3
+        with:
+          version: ${{ env.QT_VERSION }}
+          cache: true
+          arch: 'win64_mingw'
+          modules: qt5compat qtmultimedia
+
+      - name: update version
+        shell: bash
+        run: |
+          ./scripts/version.sh ${VERSION_NUMBER}
+
+      - name: make seamly2d.exe and seamlyme.exe
+        run: |
+          qmake.exe Seamly2D.pro -config release CONFIG+=noTests
+          mingw32-make
+
+      - name: create seamly2d-installer.exe
+        # copy seamly2d and seamlyme directory trees prepared by windeployqt and create installer
+        # uses parameters in seamly2d-installer.nsi to create the installer exe
+        run: |
+          mkdir ..\windows-build
+          Copy-Item -Path 'src\app\seamly2d\bin\*' -Destination ..\windows-build -Recurse
+          Copy-Item -Path 'src\app\seamlyme\bin\*' -Destination ..\windows-build -Recurse -Force
+          Copy-Item -Path dist\seamly2d-installer.nsi -Destination ..\windows-build
+          cd ..\windows-build\
+          & 'C:\Program Files (x86)\NSIS\makensis.exe' seamly2d-installer.nsi
+
+      - name: setup signing
+        id: setup_signing
+        uses: timheuer/base64-to-file@v1.2
+        env:
+          PFX_BASE64: ${{ secrets.pfx_base64 }}
+        if: ${{ env.PFX_BASE64 }}
+        with:
+          encodedString: ${{ secrets.pfx_base64 }}
+          fileName: seamly2d.pfx
+
+      - name: sign installer
+        env:
+          PFX_BASE64: ${{ secrets.pfx_base64 }}
+        if: ${{ env.PFX_BASE64 }}
+        run: |
+          cd ..\windows-build\
+          SignTool sign /fd SHA256 /f ${{ steps.setup_signing.outputs.filePath }} /p ${{ secrets.pfx_password }} /t http://timestamp.sectigo.com Seamly2D-installer.exe
+
+      - name: pack installer file into .zip
+        run: |
+          cd ..\windows-build\
+          C:\"Program Files"\7-Zip\7z.exe a Seamly2D-windows-mingw.zip Seamly2D-installer.exe
+          copy Seamly2D-windows-mingw.zip ..\Seamly2D\
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: Seamly2D-windows-mingw.zip
+          path: Seamly2D-windows-mingw.zip
+          if-no-files-found: error
+
   publish:
     if: false
     runs-on: ubuntu-latest
-    needs: [version, windows, linux, macos]
+    needs: [version, windows-msvc, linux, macos]
     env:
       VERSION_NUMBER: ${{ needs.version.outputs.version_number }}