diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/windows.yml
similarity index 88%
rename from .github/workflows/haskell-ci.yml
rename to .github/workflows/windows.yml
index c7e5aee7..b641f4d8 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/windows.yml
@@ -10,7 +10,7 @@
 #
 # REGENDATA ["github","cabal.project"]
 #
-name: Haskell-CI
+name: Haskell-CI Windows
 on:
   push:
     branches:
@@ -20,12 +20,10 @@ on:
       - master
 jobs:
   linux:
-    name: Haskell-CI - Linux - ${{ matrix.compiler }}
-    runs-on: ubuntu-20.04
+    name: Haskell-CI - Windows - ${{ matrix.compiler }}
+    runs-on: windows-latest
     timeout-minutes:
       60
-    container:
-      image: buildpack-deps:jammy
     continue-on-error: ${{ matrix.allow-failure }}
     strategy:
       matrix:
@@ -35,44 +33,15 @@ jobs:
             compilerVersion: 9.2.3
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.0.2
-            compilerKind: ghc
-            compilerVersion: 9.0.2
-            setup-method: ghcup
-            allow-failure: false
-          - compiler: ghc-8.10.7
-            compilerKind: ghc
-            compilerVersion: 8.10.7
-            setup-method: ghcup
-            allow-failure: false
-          - compiler: ghc-8.8.4
-            compilerKind: ghc
-            compilerVersion: 8.8.4
-            setup-method: ghcup
-            allow-failure: false
-          - compiler: ghc-8.6.5
-            compilerKind: ghc
-            compilerVersion: 8.6.5
-            setup-method: ghcup
-            allow-failure: false
-          - compiler: ghc-8.4.4
-            compilerKind: ghc
-            compilerVersion: 8.4.4
-            setup-method: ghcup
-            allow-failure: false
-          - compiler: ghc-8.2.2
-            compilerKind: ghc
-            compilerVersion: 8.2.2
-            setup-method: ghcup
-            allow-failure: false
       fail-fast: false
+    defaults:
+      run:
+        shell: bash
     steps:
       - name: apt
         run: |
-          apt-get update
-          apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5 libnuma-dev
           mkdir -p "$HOME/.ghcup/bin"
-          curl -sL https://downloads.haskell.org/ghcup/0.1.17.8/x86_64-linux-ghcup-0.1.17.8 > "$HOME/.ghcup/bin/ghcup"
+          curl -sL https://downloads.haskell.org/ghcup/0.1.17.8/x86_64-mingw64-ghcup-0.1.17.8-p1.exe > "$HOME/.ghcup/bin/ghcup.exe"
           chmod a+x "$HOME/.ghcup/bin/ghcup"
           "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
           "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)