WASD = Move around and navigate menu.
Space = Jump and select items in menu.
Esc = Back and access menu from in-game.
M = Map
E = Interact (such as open doors / Y on 360 controller)
T = Flashlight
Q = (X on 360 controller) Such as equip or un-equip an item
Shift = Run
Ctrl = Crouch
Tab = Cycle inventory, skills, home, events, and assets tabs. (LB/RB function)

Mouse = look
Left mouse button = Use / attack
Right mouse button = Zoom / decline or back up on in-game menus
Mouse wheel = cycle through inventory items in hand