Call of Duty uses most of the standard controls for a World War II shooter, so if you're already familiar with shooters, you can just bypass this table. These are the controls for the PC version.
Action
Default Key
Description
Move forward
W
Run forward
Backpedal
S
Run backwards
Strafe left
A
Move sideways to the left
Strafe right
D
Move sideways to the right
Lean left
Q
Lean left over a corner.
Lean right
E
Lean right over a corner
Jump, stand upright
Space
Either jump or move from a crouching or prone position to an upright position.
Crouch
C
Move to a crouching position
Prone
Ctrl
Move to a prone position
Fire weapon/throw grenade
Attack with your current weapon
Aim down the sight
Aim down the sight of your weapon for increased accuracy
Melee
Shift
Bash your enemy with the butt of your gun
Reload
R
Reloads weapon
Change rate of fire
M
Change rate of fire from semi-automatic to full-automatic and vice versa
Select First Weapon
1
Switches to the weapon in your first slot
Select Second Weapon
2
Switches to the weapon in your second slot
Select sidearm
3
Switches to your pistol
Select grenade
4
Switches to your grenade
Switch to next weapon
Switch to the weapon in your next slot
Switch to previous weapon
Switch to the weapon in your previous slot
Show objectives/score
Tab
Reveals mission objectives in single player or score in multiplayer
Use
F
Pick up weapons or health packs, perform an action