If your system is unactivated, you will see a button. Click it.

Run this command to remove the KMS product key:

The error code 0xc03f6601 is a hexadecimal code that indicates a problem with the license installation process. According to Microsoft documentation, this error code is related to a failure in the license activation process, specifically with the license type 1 (which usually corresponds to a retail or online license).

If they match but the error persists, sign out of both apps, restart your computer, and sign back into both. 5. Repair and Reset the Microsoft Store App

Work through these solutions sequentially, from the easiest and most common fixes to the more advanced troubleshooting steps. Method 1: Run the Windows Store Apps Troubleshooter

License Install Failed For License Type: 1 Result Code: 0xc03f6601 |link| ✦ Must Read

If your system is unactivated, you will see a button. Click it.

Run this command to remove the KMS product key: If your system is unactivated, you will see a button

If they match but the error persists, sign out of both apps, restart your computer, and sign back into both. 5. Repair and Reset the Microsoft Store App Repair and Reset the Microsoft Store App Work

Work through these solutions sequentially, from the easiest and most common fixes to the more advanced troubleshooting steps. Method 1: Run the Windows Store Apps Troubleshooter