Most keyboards now have a special Windows logo key. Because these keyboards are so prevalent, Windows 7 has increased the number of keyboard short-cuts that use this key. You can use Windows logo key shortcuts for everything from opening key system folders (such as the Control Panel) to flipping through open windows to locking your PC.
The Windows logo key is usually located to the immediate left of the Alt key on the bottom row of the keyboard.
The table that follows lists all the great keyboard shortcuts that Windows 7 supports for those of you with keyboards blessed with the special Windows logo key.