How to Activate 3D in Win 7 and Win 8

Lately i saw a lot of people sharing pictures of computer screen with a lovely addition i mean the 3d option so i try to look for a simple way to do it so just follow the below steps to do it :

1)_ let's try to make a shortcut :


2)_ Now copy this code : " %windir%\system32\rundll32.exe dwmapi #105 "

3)_ click next and give it a name

4)_ Now open the shortcut and get the result