diff --git a/.azure-pipelines/pr.yml b/.azure-pipelines/pr.yml
index daa2c7ca97df6a..335a4b407cb83c 100644
--- a/.azure-pipelines/pr.yml
+++ b/.azure-pipelines/pr.yml
@@ -26,34 +26,3 @@ jobs:
 
   steps:
   - template: ./posix-steps.yml
-
-
-- job: Windows_PR_Tests
-  displayName: Windows PR Tests
-  dependsOn: Prebuild
-  condition: and(succeeded(), eq(dependencies.Prebuild.outputs['tests.run'], 'true'))
-
-  pool:
-    vmImage: windows-2022
-
-  strategy:
-    matrix:
-      win32:
-        arch: win32
-        buildOpt: '-p Win32'
-        testRunTitle: '$(System.PullRequest.TargetBranch)-win32'
-        testRunPlatform: win32
-      win64:
-        arch: amd64
-        buildOpt: '-p x64'
-        testRunTitle: '$(System.PullRequest.TargetBranch)-win64'
-        testRunPlatform: win64
-      winarm64:
-        arch: arm64
-        buildOpt: '-p arm64'
-    maxParallel: 4
-
-  steps:
-  - template: ./windows-steps.yml
-    parameters:
-      targetBranch: $(System.PullRequest.TargetBranch)
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cbe5c841a433cf..7f9d0f4da09be7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -118,6 +118,8 @@ jobs:
           path: config.cache
           key: ${{ github.job }}-${{ runner.os }}-${{ needs.check_source.outputs.config_hash }}
       - uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
       - name: Install Dependencies
         run: sudo ./.github/workflows/posix-deps-apt.sh
       - name: Add ccache to PATH
@@ -201,6 +203,21 @@ jobs:
     - name: Tests
       run: .\PCbuild\rt.bat -p x64 -d -q -uall -u-cpu -rwW --slowest --timeout=1200 -j0
 
+  build_win_arm64:
+    name: 'Windows (arm64)'
+    runs-on: windows-latest
+    timeout-minutes: 60
+    needs: check_source
+    if: needs.check_source.outputs.run_tests == 'true'
+    env:
+       IncludeUwp: 'true'
+    steps:
+    - uses: actions/checkout@v4
+    - name: Register MSVC problem matcher
+      run: echo "::add-matcher::.github/problem-matchers/msvc.json"
+    - name: Build CPython
+      run: .\PCbuild\build.bat -e -d -p arm64
+
   build_macos:
     name: 'macOS'
     runs-on: macos-latest
@@ -530,6 +547,7 @@ jobs:
     - check_generated_files
     - build_win32
     - build_win_amd64
+    - build_win_arm64
     - build_macos
     - build_ubuntu
     - build_ubuntu_ssltests
@@ -546,6 +564,7 @@ jobs:
           build_macos,
           build_ubuntu_ssltests,
           build_win32,
+          build_win_arm64,
           test_hypothesis,
         allowed-skips: >-
           ${{
@@ -561,6 +580,7 @@ jobs:
             check_generated_files,
             build_win32,
             build_win_amd64,
+            build_win_arm64,
             build_macos,
             build_ubuntu,
             build_ubuntu_ssltests,