diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 0209250c20..e74ff4c1b0 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -57,17 +57,16 @@ jobs:
       - name: Install moztools (Windows)
         if: runner.os == 'Windows'
         run: |
-          curl -L -o moztools.zip https://ftp.mozilla.org/pub/mozilla/libraries/win32/moztools-static.zip
-          unzip moztools.zip
-          mv moztools/bin/* /usr/bin
-          rm -r moztools.zip moztools
-          # curl -L -o /usr/bin/nsinstall.py https://hg.mozilla.org/mozilla-central/raw-file/tip/config/nsinstall.py
-          # python3 -m pip install mozfile
-          # echo '#! /usr/bin/env python3' > /usr/bin/nsinstall
-          # cat /usr/bin/nsinstall.py >> /usr/bin/nsinstall
-          # chmod a+x /usr/bin/nsinstall
-          # which python3
-          # cat /usr/bin/nsinstall
+          # curl -L -o moztools.zip https://ftp.mozilla.org/pub/mozilla/libraries/win32/moztools-static.zip
+          # unzip moztools.zip
+          # mv moztools/bin/nsinstall.exe /usr/bin
+          # rm -r moztools.zip moztools
+          curl -L -o /usr/bin/nsinstall.py https://hg.mozilla.org/mozilla-central/raw-file/tip/config/nsinstall.py
+          python3 -m pip install mozfile
+          echo "#! "$(which python3)"' > /usr/bin/nsinstall
+          cat /usr/bin/nsinstall.py >> /usr/bin/nsinstall
+          chmod a+x /usr/bin/nsinstall
+          cat /usr/bin/nsinstall
           # See https://github.com/ilammy/msvc-dev-cmd#name-conflicts-with-shell-bash
           rm /usr/bin/link.exe
           echo "BASH=$SHELL" >> "$GITHUB_ENV"