With Windows 8 Metro interface featuring much less on-screen controls, there is an increased need, at least with non-touch screen devices, for keyboard shortcuts.
Below is a useful list of shortcut keys that may make using Windows 8 on a normal laptop much less painful, and in the end may even make your a lot more efficient.
Win + Spacebar : Switch the input language and keyboard layout
Win + C : Open the Charms
Win + D : Show the desktop
Win + E : open Windows Explorer
Win + F : Open the Search panel
Win + H : Open the Share charm
Win + I : Open the Settings charm
Win + K : Open the Connect charm
Win + L : Lock the computer
Win + O : Lock the screen rotation
Win + Q : Open the search pane
Win + R : Open run
Win + V : Cycle through toasts
Win + W : Opens the Settings search panel
Win + Y : Peek at the desktop
Win + Z : open the app bar
Win + Shift + V : Reverse cycle through toasts
Win + Enter : Launch the narrator
Win + PgUp : Move tiles to the left
Win + PgDn : Move tiles to the right
Win + Shift + . : Move the split to the left
Win + . : Move the split to the right
Via Windows8news.com