Item description:

Using this Trainer:
Launch the trainer first, then launch the Game and then Press F1 at the Main Menu.
Listen for "Activated".
Press desired option key

Options in Promo:
Numpad 2: Unlimited Ammo

Options:
Numpad 1: Unlimited Health
Numpad 2: Unlimited Ammo
Numpad 3: No Reload
Numpad 4: Invisible
Numpad 5: Silent
Numpad 6: Perfect Takedowns
Numpad 7: Give All Tools
Numpad 8: Give All Devices
Numpad 9: Give Machinegun
Numpad 0: Give Shotgun
Numpad *: Give Sniper Rifle

Notes:
Numpad 1: Unlimited Health - toggle on and most things cannot kill you.
Numpad 2: Unlimited Ammo - toggle on and most weapons have unlimted ammo.
Numpad 3: No Reload - press this key then fire weapon and your clip is bigger. This option turns itself off after about 3 seconds.
Numpad 4: Invisible - toggle this on and many things cannot see you. They can still hear you.
Numpad 5: Silent - toggle on and many things cannot hear you.
Numpad 6: Perfect Takedowns - toggle on and many times when you take down guards or enemies, nearby enemies will not detect it as easily. The pedestrians may still see it or report things.
Numpad 7: Give All Tools - press key and your inventory in the mission will have them.
Numpad 8: Give All Devices - press key and your inventory in the mission will have them.
Numpad 9: Give Machinegun - press key while in mission and this will give you the weapon.
Numpad 0: Give Shotgun - press key while in mission and this will give you the weapon.
Numpad *: Give Sniper Rifle - press key while in mission and this will give you the weapon.