diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..7afa6846
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,48 @@
+name: "CI Multiplatform Build"
+
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+    branches:
+      - master
+  pull_request:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+    branches:
+      - master
+
+jobs:
+  windows:
+    name: 'Windows 32/64 Bit'
+    runs-on: [windows-latest]
+    if: contains(github.event.head_commit.message, '[skip ci]') != true
+    env:
+      build_config: 'RelWithDebInfo'
+      DEPS_CACHE_VERSION: '1' # Change whenever updating OBS dependencies URL, in order to force a cache reset
+      DEPS_BASE_PATH: 'D:\obsdependencies'
+      DEPS_PATH_32: '${DEPS_BASE_PATH}\win32'
+      DEPS_PATH_64: '${DEPS_BASE_PATH}\win64'
+      QT_CACHE_VERSION: '1' # Change whenever updating Qt dependency URL, in order to force a cache reset
+      QT_BASE_DIR: 'D:\QtDep'
+      QTDIR32: '${QT_BASE_DIR}\5.15.2\msvc2019'
+      QTDIR64: '${QT_BASE_DIR}\5.15.2\msvc2019_64'
+      OBS_PATH: 'D:\obs-studio'
+    steps:
+      - name: 'Checkout'
+        uses: actions/checkout@v2
+        with:
+          path: ${{ github.workspace }}/obs-websocket
+          submodules: 'recursive'
+      - name: 'Restore cached Qt archive file'
+        uses: actions/cache@v2
+        with:
+          path: ${QT_BASE_DIR}
+          key: 'qtdep-"${QT_CACHE_VERSION}" | "${{ runner.os }}"'
+          restore-keys: |
+            qtdep-"${QT_CACHE_VERSION}" | "${{ runner.os }}"
+      - name: 'Download Qt'
+        working-directory: ${{ github.workspace }}/obs-websocket
+        run: |
+          ./CI/windows/install-qt-win.cmd
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