+3 trainer (for version 1.2).
Extract all files from the archive into the directory with the game.
Run the trainer.
Start the game without closing the trainer.
Trainer (+3) for Call of Duty 4: Modern Warfare v 1.2 Free Download
During the game, press the keys indicated in the trainers.
Options:
Numpad 1- Increased Health
Numpad 2- Ammo Clip
Numpad 3- Ammo Total