Simple Trick-How to make Windows 7 Genuine using Command Prompt

Friends Today I am sharing a very important trick for all.

 How many of you using Genuine windows 7 ?

we all know that everyone can't buy a genuine windows 7, because cost is too high.
Lots of Windows 7 users have experienced the error message that "Windows 7 is not genuine". 
This error message comes if you use pirated or OEM versions of Windows 7.
If windows 7 is not genuine, even you can't change the background wallpaper or any other display related option on your PC.

So now i'm going to show you a easy way to make your windows 7 genuine using command prompt.
How to make Windows 7 genuine using Command Prompt

Press Windows key + R
Now "run" box will appear , in "run" box type CMD 
Click on OKNote : Run CMD as Administrator 

Now command prompt will appear

In command prompt type SLMGR -REARM
Hit Enter.

Wait 5-10 seconds
Now a message will appear as shown in image below.

Notr: If are all already activated don't do this trick..