Open command prompt with administrative rights. Restart computer. You should now has a fresh day of trial period on Windows Vista, which by end of days time bomb, you can repeat the procedures again to skip Vista activation.
Boot up to BIOS. Change the date to or Install Windows Vista with default product key or no product key. Go to BIOS again to change back the time to current date and time. You can use Windows Vista without activating for minutes. Make a ghost image of current Vista installation state. You have have additional 30 days to use Windows Vista skipping activation. Restore the ghost image of the system you made initially, so that the Vista system is now like just installed.
Rearm again when the remaining activation grace period timer counts down to 0 days. Rearm option resets the computer's activation timer and reinitializes some activation parameters. Official Way to Install and Use Windows Vista without Activation for Free for Days By default, Windows Vista can be installed, used and run without any license, product key or the need of activation for 30 days grace period, for purpose of trial or evaluation. Tags Official Vista Activation Days.
Send news tip. Get our Newsletter. Community Activity Refresh. Trending Stories. No hacks required. This is an official, supported operation directly from Microsoft. To extend the grace period another 30 days, simply start a command prompt as Administrator, and issue this command: slmgr -rearm Reboot for the change to take effect, and voila, you have 30 more days. You can only extend three times, so the total grace period for a Vista evaluation is days. You do, however, need to be careful that you've installed the correct edition of Vista.
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