In Windows Explorer, to show preview pane of your selected file, be it an image, sound, or video document.
- Windows + Up and Windows + Down
Maximized or minimize windows the active window.
- Windows + + and Windows + -
Activates the Magnifier, letting you zoom in on the entire desktop
To minimize all windows on your desktop
Windows + T cycles through thumbnails of your open programs via the Taskbar's peek menu.
Opens up a new Explorer window
To access and switch between external displays, so you can use more than one monitor or a projector for presentations.
Lock windows. Should use any times you leave your computer