Numpad 0 - Inf. Health
Numpad 1 - Inf. Ammo
Numpad 2 - No Reload
Numpad 3 - Full Inventory
Numpad 4 - Add SP
To install:
Copy all files from the archive to the root of the installed game.
Start first trainer, then the game.
During the game, press the keys indicated in the trainers.