diff --git a/.github/scripts/msvc-env.bat b/.github/scripts/msvc-env.bat
new file mode 100644
index 00000000..c9c7775e
--- /dev/null
+++ b/.github/scripts/msvc-env.bat
@@ -0,0 +1,4 @@
+@rem From https://github.com/microsoft/vswhere/wiki/Start-Developer-Command-Prompt#using-batch
+for /f "delims=" %%p in ('vswhere.exe -prerelease -latest -property installationPath') do set vspath=%%p
+@rem From https://learn.microsoft.com/en-us/cpp/build/building-on-the-command-line?view=msvc-170#developer_command_file_locations
+call "%vspath%\VC\Auxiliary\Build\vcvars%1.bat"
diff --git a/.github/workflows/create-release-artifacts.yml b/.github/workflows/create-release-artifacts.yml
index 5cfa8d34..d41a32b6 100644
--- a/.github/workflows/create-release-artifacts.yml
+++ b/.github/workflows/create-release-artifacts.yml
@@ -36,13 +36,15 @@ jobs:
         run: |
           bash .github/scripts/install_deps.sh windows
       - name: Build Windows binaries
+        shell: cmd
         run: |
-          cmake -S . -B build --preset msvc${{ matrix.bits }} -DFETCHCONTENT_BASE_DIR="${{ env.DEPS_ROOT_DIR }}"
-          cmake --build build --config Release
+          call .github\scripts\msvc-env.bat ${{ matrix.bits }}
+          cmake -S . -B build -G Ninja -DFETCHCONTENT_BASE_DIR="${{ env.DEPS_ROOT_DIR }}"
+          cmake --build build
       - name: Package binaries
         working-directory: build
         run: |
-          cpack -DCPACK_PACKAGE_FILE_NAME=rgbds-win${{ matrix.bits }} -G ZIP -C Release --verbose
+          cpack -DCPACK_PACKAGE_FILE_NAME=rgbds-win${{ matrix.bits }} -G ZIP --verbose
       - name: Upload Windows binaries
         uses: actions/upload-artifact@v7
         with:
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 95b99832..400d83d3 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -181,14 +181,16 @@ jobs:
           key: dep-srcs-${{ hashFiles('cmake/deps.cmake') }}
           enableCrossOsArchive: true
       - name: Build Windows binaries
+        shell: cmd
         run: | # ASan seems to be broken on Windows, so we disable it.
-          cmake -S . -B build --preset develop-msvc${{ matrix.bits }} -DSANITIZERS=OFF \
+          call .github\scripts\msvc-env.bat ${{ matrix.bits }}
+          cmake -S . -B build -G Ninja --preset develop -DSANITIZERS=OFF ^
                 -DTESTS_OS_NAME=${{ matrix.os }} -DFETCHCONTENT_BASE_DIR="${{ env.DEPS_ROOT_DIR }}"
           cmake --build build
       - name: Package binaries
         working-directory: build
         run: |
-          cpack -DCPACK_PACKAGE_FILE_NAME=rgbds-win${{ matrix.bits }} -G ZIP -C Debug --verbose
+          cpack -DCPACK_PACKAGE_FILE_NAME=rgbds-win${{ matrix.bits }} -G ZIP --verbose
       - name: Upload Windows binaries
         uses: actions/upload-artifact@v7
         with:
@@ -218,7 +220,7 @@ jobs:
           test/fetch-test-deps.sh --get-deps ${{ matrix.os }}
       - name: Run tests using CTest
         run: |
-          ctest --test-dir build --schedule-random -C Debug
+          ctest --test-dir build --schedule-random
 
   windows-mingw-build:
     strategy: