diff --git a/.github/workflows/pr-windows.yml b/.github/workflows/pr-windows.yml
index a47a5006..e3a32e5d 100644
--- a/.github/workflows/pr-windows.yml
+++ b/.github/workflows/pr-windows.yml
@@ -1,34 +1,34 @@
-# name: Run Unit Tests on Windows
-# on:
-#   pull_request:
-#     branches:
-#       - main
+name: Run Unit Tests on Windows
+on:
+  pull_request:
+    branches:
+      - main
 
-# jobs:
-#   testsOnWindows:
-#     name: ut-${{ matrix.config.tox-env }}
-#     runs-on: windows-latest
-#     strategy:
-#       fail-fast: false
-#       matrix:
-#         config:
-#           - { python-version: 3.7, tox-env: py37-no-ext }
-#           - { python-version: 3.8, tox-env: py38-no-ext }
-#           - { python-version: 3.9, tox-env: py39-no-ext }
-#           - { python-version: pypy-3.7, tox-env: pypy37-no-ext }
+jobs:
+  testsOnWindows:
+    name: ut-${{ matrix.config.tox-env }}
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - { python-version: 3.7, tox-env: py37-no-ext }
+          - { python-version: 3.8, tox-env: py38-no-ext }
+          - { python-version: 3.9, tox-env: py39-no-ext }
+          - { python-version: pypy-3.7, tox-env: pypy37-no-ext }
 
-#     steps:
-#       - name: Checkout Repository
-#         uses: actions/checkout@v2
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
 
-#       - name: Run Unit Tests
-#         uses: ahopkins/custom-actions@pip-extra-args
-#         with:
-#           python-version: ${{ matrix.config.python-version }}
-#           test-infra-tool: tox
-#           test-infra-version: latest
-#           action: tests
-#           test-additional-args: "-e=${{ matrix.config.tox-env }}"
-#           experimental-ignore-error: "true"
-#           command-timeout: "600000"
-#           pip-extra-args: "--user"
+      - name: Run Unit Tests
+        uses: ahopkins/custom-actions@pip-extra-args
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"
+          experimental-ignore-error: "true"
+          command-timeout: "600000"
+          pip-extra-args: "--user"