How to Remove Windows is not genuine Notification in Windows 7

Sometimes when we buy Windows 7 CD/DVD from the market ,  if it is pirated , so after installation we will get error message like windows is not genuine

So to remove this notification follow the below mentioned steps :

Step:1 Open the command prompt as Administrator

Step: 2  In the Command prompt type the command “SLMGR -REARM” and hit enter , make sure type the correct command otherwise it will not work.

Step:3 When we press enter  , it will start executing the above command and below window will appear .

Step:4 Now reboot your Machine  and now onwards you will not get message like “Windows 7 build 7600 This copy of windows is not genuine”