This will show you how to turn Windows 7 Aero Peek, also known as Desktop Preview, On or Off to temporarily make all open windows on the desktop transparent when you place the mouse pointer on the button at the far right end of the taskbar.
How do I enable Aero Peek in Windows 10?.When Aero Peek is off, there should be no check mark next to the Peek at desktop option. The quickest way to disable Aero Peek is to move your mouse to the far right side of the Taskbar, right-click on the Show Desktop button, and then select “Peek at desktop” from the popup menu.
