License Install Failed For License Type: 1 Result Code: 0xc03f6601 Guide

If your system previously had a Volume License (KMS or MAK) installed—common in corporate environments or evaluation versions—and you attempt to install a standard Retail key without properly uninstalling the Volume License, the remnants of the old licensing ticket can conflict with the new one.

This method forces the system to clear the specific KMS server address that might be ghosting the license installation. If your system previously had a Volume License

Have you solved this error using another method? Share your experience in the comments below. navigate to Settings > Support

Open the , navigate to Settings > Support , and select the Gaming Services Repair Tool . Follow the prompts to reinstall the service cleanly. 3. Clear and Reset the Microsoft Store Cache If your system previously had a Volume License