When you check a key and get an error, the code tells you why. Common ones:
Microsoft does not provide a single, public web portal for checking keys outside of the actual activation process, but you can use these official methods to verify your license:
When you check a key and get an error, the code tells you why. Common ones:
Microsoft does not provide a single, public web portal for checking keys outside of the actual activation process, but you can use these official methods to verify your license: