diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
new file mode 100644
index 00000000..edcea69c
--- /dev/null
+++ b/.github/workflows/workflow.yml
@@ -0,0 +1,52 @@
+name: Main workflow
+on: [push]
+jobs:
+  Ubuntu:
+    name: Run Ubuntu
+    runs-on: ubuntu-latest
+    actions:
+    - name: Set Node.js 10.x
+      uses: bryanmacfarlane/node-config@master
+      with:
+        version: 10.x
+
+    - name: npm install
+      run: npm install
+
+    - name: Bootstrap
+      run: npm run bootstrap
+
+    - name: Compile
+      run: npm run build
+
+    - name: npm test
+      run: npm test
+
+    - name: Lint
+      run: npm run lint
+
+    - name: Format
+      run: npm run format-check
+  Windows:
+    name: Run Windows
+    runs-on: windows-latest
+    actions:
+    - name: Set Node.js 10.x
+      uses: bryanmacfarlane/node-config@master
+      with:
+        version: 10.x
+
+    - name: npm install
+      run: npm install
+
+    - name: Bootstrap
+      run: npm run bootstrap
+
+    - name: Compile
+      run: npm run build
+
+    # TODO: This currently ignores exec due to issues with Node and spawning on Windows, which I think is exacerbated by Jest.
+    # It doesn't seem to affect behavior in actions themselves, just when testing with Jest.
+    # See other similar issues here: https://github.com/nodejs/node/issues/25484
+    - name: npm test
+      run: npm run test-ci
diff --git a/package.json b/package.json
index da897d50..91269bbc 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
     "format-check": "prettier --check packages/**/*.ts",
     "lint": "eslint packages/**/*.ts",
     "new-package": "scripts/create-package",
-    "test": "jest"
+    "test": "jest",
+    "test-ci": "jest --testPathIgnorePatterns=\"<rootDir>/packages/exec/__tests__/exec.test.ts\""
   },
   "devDependencies": {
     "@types/jest": "^24.0.11",