Extract the files and place them directly into your MW3 installation folder.
By default, Call of Duty: Modern Warfare 3 on PC was designed with a narrow focus: official Xbox 360 controllers. If you own a PlayStation DualShock 4, a DualSense, a Razer Wolverine, or a generic USB gamepad, the game simply ignores your input. You are left with a keyboard and mouse—or nothing. call of duty modern warfare 3 x360ce extra quality