Press the Windows key to open the Start screen or switch to the desktop (if open).
Press the Windows key+D opens the Windows desktop.
Press the Windows key+. to pin and unpin Windows apps on the side of the screen.
Press the Windows key+X to open the power user menu, which gives you access to features most power users would want (e.g., Device Manager and Command Prompt).
Press the Windows key+C to open the Charms.
Press the Windows key+I to open the Settings, which is the same Settings found in Charms.
Press and hold the Windows key+Tab to show open apps.
Press the Windows key+Print screen to create a screenshot, which is automatically saved into your My Pictures folder.