Win + spacebar Switch input language and keyboard layout
Win + O Locks device orientation
Win + , Temporarily peeks at the desktop
Win + V Cycles through toasts
Win + Shift + V Cycles through toasts in reverse order
Win + Enter Launches Narrator
Win + PgUp Moves Start Screen or Metro style application to the monitor on the left
Win + PgDown Moves Start Screen or Metro style application to the monitor on the right
Win + Shift + . Moves the gutter to the left (snaps an application)
Win + . Moves the gutter to the right (snaps an application)
Win + C Opens Charms bar
Win + I Opens Settings charm
Win + K Opens Connect charm
Win + H Opens Share charm
Win + Q Opens Search pane
Win + W Opens Settings Search app
Win + F Opens File Search app
Win + Tab Cycles through apps
Win + Shift + Tab Cycles through apps in reverse order
Win + Ctrl + Tab Cycles through apps and snaps them as they are cycled
Win + Z Opens App Bar
Win + / Initiates input method editor (IME) reconversion
Win + J Swaps foreground between the snapped and filled apps