This command resets the activation grace period back to 30 days. You can do this up to three times, giving you a total of 120 days of fully functional Windows 7 Professional.
: Type the following command and press Enter: slmgr -rearm activate windows 7 professional without product key
While brute-forcing or bypassing Microsoft’s servers is technically possible, the landscape has changed dramatically since 2009. This guide will walk you through the legacy methods (the "why" and "how" of old cracks), the modern reality of activation servers, and—most importantly—why you probably shouldn't do it. This command resets the activation grace period back
Would you like help recovering a lost product key from your current system instead? the modern reality of activation servers