Below are some of the keyboard shortcuts or basic shortcuts for Windows 7 in all versions:
Windows + Home: Minimizes all windows except the one in use (active window).
Windows + Spacebar: becomes transparent to all windows displays the Windows desktop.
Windows + Allows left or right arrows move the window left or right of the screen.
Windows + G Show all gadgets are running on the desktop.
Windows + T Stroll among the items of the Windows taskbar.
Windows + P Change the screen display modes (useful only if you use more than one monitor or external monitor).
Windows + "+" or "-" Lets you control the zoom feature (zooming).
Windows + numbers from 1 to 5 Pick a window determined by the order in the taskbar.
Windows + X shows the "Windows Mobility Center (only in notebooks or laptops).
Windows + click on an item from the taskbar run a new program window selected. The same effect is possible by clicking on the item with the right mouse button