Move: A & D or Left & Right
Aim & Shoot: Mouse
Switch Weapons: Q
Pickup Weapon: F
Reload: R
Throw Grenade: Space
Sprint: Shift
Jump Over Cover: W or Up
Crouch: C or Ctrl
Roll: Sprint then Crouch

Equip yourself with the weapons and outfit that best suit your play style, then eliminating all the enemies to complete missions.