diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 699fb4a0..7a3b1d8f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,6 +92,30 @@ jobs:
         VSCOQPATH: ${{ env.vscoqtop }}
         VSCOQARGS: "-bt"
 
+  install-windows:
+    runs-on: windows-latest
+    steps:
+    - name: Set git to use LF
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Build language server
+      run: .\language-server\build-windows-platform.bat
+
+    - run: C:\ci\cygwin64\bin\bash.exe --login -c 'echo vscoqtop=$(cygpath -m $(which vscoqtop))' >> $Env:GITHUB_ENV
+
+    - uses: actions/setup-node@v3
+      with:
+        node-version: 16
+
+    - run: cd client && yarn run package && yarn test
+      env:
+        VSCOQPATH: ${{ env.vscoqtop }}
+        VSCOQARGS: "-bt"
 
   dev-setup-opam:
     strategy:
diff --git a/language-server/build-windows-platform.bat b/language-server/build-windows-platform.bat
new file mode 100644
index 00000000..d8870857
--- /dev/null
+++ b/language-server/build-windows-platform.bat
@@ -0,0 +1,48 @@
+REM Download platform script
+
+SET PATH=%PATH%;C:\Program Files\7-Zip;C:\Program Files\Git\mingw64\bin
+
+SET PLATFORM=https://github.com/coq/platform/archive/coq-ci.zip
+
+SET ARCH=64
+
+ECHO   "Downloading %PLATFORM%"
+curl   -L -o platform.zip "%PLATFORM%"
+7z x platform.zip
+
+REM Build the platform
+
+SET CYGROOT=C:\ci\cygwin%ARCH%
+SET CYGCACHE=C:\ci\cache\cygwin
+
+SET CYGWIN_QUIET=y
+
+SET COQREGTESTING=y
+
+cd platform-*
+
+call coq_platform_make_windows.bat ^
+  -arch=%ARCH% ^
+  -pick=dev ^
+  -destcyg=%CYGROOT% ^
+  -cygcache=%CYGCACHE% ^
+  -extent=b ^
+  -parallel=p ^
+  -jobs=2 ^
+  -switch=d ^
+  -set-switch=y ^
+  -override-dev-pkg="coq-core=https://github.com/coq/coq/archive/%PIN_COQ%.tar.gz" ^
+  -override-dev-pkg="coq-stdlib=https://github.com/coq/coq/archive/%PIN_COQ%.tar.gz" ^
+  -override-dev-pkg="coq=https://github.com/coq/coq/archive/%PIN_COQ%.tar.gz" ^
+  || GOTO ErrorExit
+
+SET OPAMYES=yes
+C:\ci\cygwin64\bin\bash.exe --login -c "opam pin add vscoq-language-server $(cygpath -m '%GITHUB_WORKSPACE%\language-server') --with-doc --with-test -y" || GOTO ErrorExit
+
+
+GOTO :EOF
+
+:ErrorExit
+  ECHO ERROR %0 failed
+  EXIT /b 1
+