Follow some simple steps and you can get rid of trial version of windows 7 and activate it for lifetime:
1.Type “RUN” at start menu,and click on the search result.
2.Type Regedit and press enter.
3.now go to the location described below:
4.Now look at right side and right click on manual and click on modify..and change its value..if it is 1 then change to 0 and if 0 then change to 1.
5.Restart the computer and enjoy.
If you are facing any problem with the registry editing please write us here….!!