Most of you might be aware of the fact that it is possible to use Windows 7 and Vista for 120 days without activation key. This is actually possible using the slmgr -rearm command which will extend the grace period from 30 days to 120 days.
However, in this post I will show you a small trick using which it is possible to use Windows 7 without activation for approximately an year! Here is a way to do that.
Step-1: Go to “Start Menu -> All Programs -> Accessories“.
Right click on the “Command Prompt” and select “Run as Administrator“. If you are not the administrator, then you are prompted to enter the password, or else you can proceed to step-2.
Step-2: Now type the following command and hit Enter:
Step-3: You will be prompted to restart the computer. Once restarted, the trial period will once again be reset to 30 days. You can use the above command for up to 3 times by which you can extend the trial period to 120 days without activation.
Step-4: Now comes the actual trick by which you can extend the trial period for another 240 days. To do this, open the Registry Editor (type regedit in “Run” and hit Enter) and navigate to the following location:
Step-5: In the right-side pane, change value of SkipRearm to 1.
Step-6: Now, you should be able to use the slmgr -rearm command for another 8 times so that you can skip the activation process for another 240 days. So you will get 120 + 240 = 360 days of free Windows 7 usage.
120 days using "slmgr -rearm" command before registry edit + 240 days using "slmgr -rearm" command after registry edit
= 360 Days
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