Open an app like Word and go to .
Type slmgr /xpr to check if your activation is permanent or has an expiration date.
Select and enter your code. The wizard will immediately verify its validity against Microsoft servers. 2. Windows System Settings microsoft product key checker
The safest way to check an Office key is through the application itself.
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: Open an app like Word and go to
If it says "Windows is activated with a digital license," your system is genuine and linked to your hardware or Microsoft account.
Is it a Retail (transferable), OEM (tied to hardware), or Volume (business) license? Official Ways to Verify Your Key The wizard will immediately verify its validity against
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?