What is the shortcut key for displaying the 3D effect of windows7 system?

The legendary 3D desktop display effect is that when using the Win7 computer, when you press the win+tab button at the same time, you can immediately enjoy the unique 3D desktop, then press and hold the WIN to relax the TAB and select with the mouse. Window file (open multiple files or application window).

If you want to freeze 3D desktop is displayed on the computer screen Windows7, then we can add a button to achieve, while pressing win + tab + ctrl key (then press and hold and hold release TAB can WIN Use the mouse to select the window file), you can make the 3D desktop fixed on the Win7 desktop, do not believe you let go.
PS: Although there is no practical use, but for the sisters who don't know, it is still very good, they will be shocked~ Of course, you can switch to play when you are bored. .