Windows + D: The fastest way to see your desktop behind open windows

Windows + D: a simple trick to hide your windows in a jiffy, or get back to what your were working on earlier. — dpa

Every now and again, you’ll find several open windows are between you and the files on your Windows desktop.

The key combination Windows + D is the solution. Try it, and you’ll notice it instantly minimises all open windows and shows you what’s on your desktop.