Press the activation keys on your keyboard (usually F1 for God Mode, F2 for Infinite Ammo, etc.). The trainer will beep to confirm the cheat is active.
Advanced options include Invisibility , No Clip for traversing maps, and the ability to spawn vehicles or weapons on command . The Philosophy of "Single-Player Freedom" Tech Comparison: Max Payne 3 PC | Digital Foundry max payne 3 trainer 100216 fling upd