diff --git a/.github/workflows/release-pypi-upload.yml b/.github/workflows/release-pypi-upload.yml
index e0a7407e0..69ef131f9 100644
--- a/.github/workflows/release-pypi-upload.yml
+++ b/.github/workflows/release-pypi-upload.yml
@@ -33,14 +33,16 @@ jobs:
       matrix:
         python_version: ['3.7', '3.8', '3.9']
         os: ['ubuntu-latest', 'macos-latest']
+#        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
         include:
           - os: ubuntu-latest
             container: quay.io/pypa/manylinux_2_24_x86_64  # https://github.com/pypa/manylinux
           - os: macos-latest
             python_version: 3.7
             upload_source: true   # just need ONE of them to do it
-#          - os: windows-latest
-#            python_version: 3.8
+        exclude:
+          - os: windows-latest
+            python_version: 3.7
 
     container: ${{ matrix.container }}
     env:
@@ -54,11 +56,14 @@ jobs:
         with:
           name: devN
 
-      - name: set up to use .devN name if a test build
-        if: env.TWINE_REPOSITORY == 'testpypi'
-        run: |
-          echo "DEV_BUILD=$(cat devN.txt)" >> $GITHUB_ENV  # for setup.py
+      - name: set up to use .devN name if a test build (Unix version)
+        if: env.TWINE_REPOSITORY == 'testpypi' && matrix.os != 'windows-latest'
+        run: echo "DEV_BUILD=$(cat devN.txt)" >> $GITHUB_ENV  # for setup.py
   
+      - name: set up to use .devN name if a test build (Windows version)
+        if: env.TWINE_REPOSITORY == 'testpypi' && matrix.os == 'windows-latest'
+        run: ("DEV_BUILD=" + (get-content devN.txt)) >> $env:GITHUB_ENV  # for setup.py
+
       - uses: actions/checkout@v2
   
       - name: Set up python (script version)
diff --git a/requirements.txt b/requirements.txt
index b5fa59d4f..d9e9aae78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,5 @@ pyperf==2.0.0
 pyproj==3.0.0.post1
 rich==10.7.0
 wheel==0.36.2
-find_libpython==0.2.0
 setuptools~=57.0.0
 pip~=21.1.2
diff --git a/setup.py b/setup.py
index 3df4e1182..93ea6070f 100755
--- a/setup.py
+++ b/setup.py
@@ -136,12 +136,11 @@ def build_libscalene(self):
     install_requires=[
         "rich>=9.2.10",
         "cloudpickle>=1.5.0",
-        "find_libpython>=0.2.0",
         "nvidia-ml-py==11.450.51",
         "wheel==0.36.2",
         "numpy"
     ],
-    ext_modules=[get_line_atomic, pywhere],
+    ext_modules=[get_line_atomic] + ([pywhere] if sys.platform != 'win32' else []), 
     setup_requires=['setuptools_scm'],
     include_package_data=True,
     entry_points={"console_scripts": ["scalene = scalene.__main__:main"]},