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:
Select and enter your code. The wizard will immediately verify its validity against Microsoft servers. 2. Windows System Settings
For Windows 10 and 11, you can check your current activation status directly: Go to . microsoft product key checker
A product key checker (often referred to as a ) is a tool that validates the status of Microsoft software licenses. These tools check your 25-digit code against Microsoft's databases or local configuration files to provide details such as: Validity Status: Is the key active, blocked, or expired?
The safest way to check an Office key is through the application itself. Microsoft does not provide a single, public web
Type slmgr /xpr to check if your activation is permanent or has an expiration date.
Open an app like Word and go to .
Type slmgr /dli and press Enter to see the license type and status.
Is it a Retail (transferable), OEM (tied to hardware), or Volume (business) license? Official Ways to Verify Your Key Windows System Settings For Windows 10 and 11,