diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 76b749b971..c97111b036 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -91,6 +91,43 @@ jobs:
           path: packages/ # Upload the contents of the dist directory
           retention-days: 1 # Keep artifact for 1 day (adjust as needed)
 
+  build-windows:
+    name: Build Dash Package - Windows
+    runs-on: windows-latest
+    timeout-minutes: 30
+    outputs:
+      artifact_name: dash-packages
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Node.js for frontend build
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: npm
+
+      - name: Install NPM dependencies
+        run: npm ci
+
+      - name: Set up Python for build
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+          cache: pip
+
+      - name: Install build dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install "setuptools<80.0.0"
+          python -m pip install build wheel
+          python -m pip install -e .[dev,ci]
+
+      - name: Build Dash
+        run: npm run first-build
+
   test-typing:
     name: Typing Tests
     runs-on: ubuntu-latest
diff --git a/dash/development/update_components.py b/dash/development/update_components.py
index 2789be22fd..db219a86b0 100644
--- a/dash/development/update_components.py
+++ b/dash/development/update_components.py
@@ -43,8 +43,8 @@ def bootstrap_components(components_source, concurrency, install_type):
         else "{dash-core-components,dash-html-components,dash-table}"
     )
 
-    cmdstr = f"npx lerna exec --concurrency {concurrency} --scope='{source_glob}' -- npm {install_type}"
-    cmd = shlex.split(cmdstr, posix=not is_windows)
+    cmdstr = f'npx lerna exec --concurrency {concurrency} --scope="{source_glob}" -- npm {install_type}'
+    cmd = shlex.split(cmdstr, posix=True)
     status_print(cmdstr)
 
     with subprocess.Popen(
@@ -79,8 +79,8 @@ def build_components(components_source, concurrency):
         else "{dash-core-components,dash-html-components,dash-table}"
     )
 
-    cmdstr = f"npx lerna exec --concurrency {concurrency} --scope='{source_glob}' -- npm run build"
-    cmd = shlex.split(cmdstr, posix=not is_windows)
+    cmdstr = f'npx lerna exec --concurrency {concurrency} --scope="{source_glob}" -- npm run build'
+    cmd = shlex.split(cmdstr, posix=True)
     status_print(cmdstr)
 
     with subprocess.Popen(