Using the Windows key, you can perform many shortcuts with the addition of an extra key. Here are a few shortcuts to perform with the winkey.
WINKEY + D Shortcut to desktop
WINKEY + R Shortcut to ‘Run’ tool
WINKEY + PauseBreak Shortcut to ‘System Properties’
WINKEY + E Shortcut to Windows ‘Explorer’
WINKEY + Tab Quickly browse your taskbar’s open apps
WINKEY + F1 Shortcut to Windows ‘Help’