We know, with WIndows 7 RTM, even if we don't activate it, we still can use it for 30 days for trail. But actually we can extend the tail time limit to as long as 360 days. That's to say, you can use Windows 7 RTM FREE for nearly one year and the key point is, it NOT illegal, totally not.
First of, let;s make it clear how to extend to a 120 days trail.
* Start Menu\Programs\Accessories\Command Prompt
* Right click on it and hit "Run as Admin"
* Type in slmgr -rearm
* Done
Note: This command can be used for three times only.
Well, if we run out of these 120days trail, here comes another tip.
* WIN+R and run regedit to open the registry editor
* Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform
* Modify the “SkipRearm”value to dword:00000001
* Done
Note: This registry hack can be used for eight times only.
So now, we get 8+3=11 times to retry the trail version, each for 30. That's to say, we have 30X11=330 days, and take the initial 30days in consideration, totally we have 360days.
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