How to Extend Your Windows Vista Trial
- 1). Click on the "Start" menu button.
- 2). Type "cmd" in the search box, and then press "Ctrl" + "Shift" + "Enter" simultaneouly to run in administrator mode.
- 3). Type "slmgr -rearm" in the command prompt window and press "Enter". After several minutes a dialog box will appear asking you to reboot your computer. Confirm the reboot and your activation date will be reset to 30 days.