some useful windows tricks

    Windows Key + Tab : Aero [press Tab to cycle between Windows]

    Windows Key + E : Windows Explorer is launched.

    Windows Key + R : Run Command is launched.

    Windows Key + F : Search (which is there in previous Windows versions too)

    Windows Key + X : Mobility Center

    Windows Key + L : Lock Computer (It is there from the earlier versions as well)

    Windows Key + U : Launches Ease of Access

    Windows Key + P : Projector

    Windows Key + T : Cycle Super Taskbar Items

    Windows Key + S : OneNote Screen Clipping Tool [requires OneNote]

    Windows Key + M : Minimize All Windows

    Windows Key + D : Show/Hide Desktop

    Windows Key + Up : Maximize Current Window

    Windows Key + Down : Restore Down / Minimize Current Windows

    Windows Key + Left : Tile Current Window to the Left

    Windows Key + Right : Tile Current Windows to the Right

    Windows Key + = : Launches the Magnifier

    Windows Key + Plus : Zoom in

    Windows Key + Minus : Zooms out

    Windows Key + Space : Peek at the desktop