Windows App Certification Kit -

The Windows App Certification Kit is a validation tool included in the Windows SDK . It runs a battery of automated tests to ensure your app is secure, reliable, and uses system resources efficiently. While the Microsoft Store will run its own tests upon submission, running WACK locally allows you to catch and fix blockers before they ever leave your machine. The "Must-Pass" Tests

Ensures binary files utilize proper Windows security mitigations. windows app certification kit

You’ve just finished building a beautiful Windows desktop app. Your UI is sleek, your logic is solid, and your team is ready to ship. But then comes the dreaded final step before the Microsoft Store: . The Windows App Certification Kit is a validation

Demystifying the Windows App Certification Kit: Your Gateway to the Microsoft Store The "Must-Pass" Tests Ensures binary files utilize proper

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WACK performs a battery of tests. Here are the most critical categories developers should understand:

Requesting unnecessary system permissions (e.g., Enterprise Authentication). Remove unused capabilities from the Package.appxmanifest . Residual files left in AppData or Registry.