How to activate Windows 7 without a Product Key
Easily activate a Windows 7 PC with only a few commands and no product key.
- Run the command prompt (CMD) as Administrator (by right-clicking).
- Enter slmgr -rearm in the command prompt.
- Restart the PC.
- After restarting, re-run the command prompt as Administrator.
- Enter slmgr -ato in the command prompt.
- The message Successful activation of Windows 7 should appear.