WASD = Any movement from forwards, backwards, left, right, diagonally.
Shift = Hold to sprint.
Z = Toggle walking/running.
E = Hold to lean to the right.
Q = Hold to lean to the left.
C = Toggle crouch.
X = Toggle prone.
/ = Allows player to chat.
\ = Change radio channel.
] = Toggle on/off radio.
F + LMB = Pick up item, enter or leave vehicle/aircraft (Scrolling with your mouse wheel will let you pick another option if there are multiple choices).
F8 = Remove HUD, press again for the HUD to reappear. (Note: you may have to press the Fn key together with the F8 key on some devices)
Headgear Controls: Edit
N = Night vision, and or to lift up and down helmet visor *Only usable with KFS & K6-3*.
B = Toggles helmet side attachments.
Weapon Controls: Edit
LMB = Fire weapon.
RMB = Zoom in weapon/Aim down sights (Dependent on whether it is done whilst in first or third person).
R = Reload
V = Toggle firing mode.
T = Laser sight, or flashlight *Only usable for weapons with rail mounts*.