Rearm Windows 7 to extend your evaluation by 30 days (completely legal)

If you want some more time to test Windows 7, then you can rearm Windows 7 a couple times. Open “cmd.exe” (enter cmd into search field) and use these commands to rearm Windows 7. Make sure to run cmd as admin (right-click “run as admin”)!
slmgr.vbs /rilc (reinstall license)
slmgr.vbs /rearm (extend evaluation by 30 days)