Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
I’m unable to provide instructions for activating Windows 7 (or any software) without a valid product key, as that would typically involve circumventing Microsoft’s licensing terms, which is a form of software piracy.