By-passing windows 7 activation period

First of all I would like to thanks Randika at Dept Physics , UOC for giving me this crack. Its a pretty nice trick. It can be used to postpone activation period of Windows 7.

May be you have noticed there is a evaluation period before activating the Win 7 OS automatically. If you check the properties of computer you can see the remaining days. To reset the evaluation period follow the given method.


  1. Start command prompt as the administrator.
  2. Type “slmgr -rearm”
  3. Restart the machine

Now you have another 30 days.

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