Select and enter your code. The wizard will immediately verify its validity against Microsoft servers. 2. Windows System Settings
You can use built-in Windows scripts to see detailed license info: Open . 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? Select and enter your code
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: microsoft product key checker