Here’s a favorite keyboard shortcut of mine for Windows 7. It really comes in handy if you have multiple programs open. Press the Windows Key + T on your keyboard. The Windows key should be to the left of your space bar.
You’ll then see a thumbnail of all of your open programs. Just press the T key to tab through the open programs and see all of your open windows.
~ Cynthia
Another variation is to hold down the ALT key then hit the TAB key to open the thumbnails. Hitting the TAB key then toggles you through the thumbnails..