Here a list of different Windows 8 Keyboard shortcuts have been described. Using these keyboard shortcuts you can perform different tasks much quicker in your Windows 8.
Some useful Windows 8 Keyboard shortcuts
Windows key: Switch between the Start screen and the last-running Metro app.
Windows + C : Displays the “Charms”: the Settings, Devices, Share and Search options
Windows + D : Launches the desktop
Windows + E : Launches Explorer
Windows + F : Opens the File Search pane
Windows + H : Opens the Share pane
Windows + I : Opens Settings
Windows + K : Opens the Devices pane
Windows + L : Locks your PC
Windows+ M : Minimizes the current Explorer or Internet Explorer window (works in the full-screen Metro IE, too)
Windows + O : Toggles device orientation lock on and off
Windows + P : Switch your display to a second display or projector
Win + Q : Open the App Search pane
Windows + R : Opens the Run box
Windows + U : Opens the Ease of Access Centre
Windows + V : Cycle through toasts (notifications)
Windows + W : Search your system settings (type POWER for links to all power-related options, say)
Windows + X : Displays a text menu of useful Windows tools and applets
Windows + Z : Displays the right-click context menu when in a full-screen Metro app
Windows and + : Launch Magnifier and zoom in
Windows and – : Zoom out
Windows and , : Aero peek at the desktop
Windows + Enter : Launch Narrator
Windows + PgUp : Move the current Metro screen to the left-hand monitor
Windows + PgDn : Move the current Metro screen to the right-hand monitor
Windows + PrtSc : Capture the current screen and save it to your Pictures folder
Windows + Tab : Switch between running Metro apps
F1: Help
CTRL + ESC: Open Start menu
ALT + TAB: Switch between open programs
ALT + F4: Quit program
SHIFT + DELETE: Delete item permanently
Windows Logo + L: Lock the computer (without using CTRL+ALT+DELETE)
Press SHIFT five times: Toggles StickyKeys on and off
Press down and hold the right SHIFT key for eight seconds: Toggles FilterKeys on and off
Press down and hold the NUM LOCK key for five seconds: Toggles ToggleKeys on and off
Left ALT + left SHIFT + NUM LOCK: Toggles MouseKeys on and off
Left ALT + left SHIFT + PRINT SCREEN: Toggles high contrast on and off