Grand Theft Auto 4 (GTA IV): InGame Trainer 1.1 Support for patch 1.0.4

Default keys:
F1 – Open / close trainer
NUMPAD4 / NUMPAD6 – Browse left / right
NUMPAD8 / NUMPAD2 – Browse up / down
NUMPAD5 – Select / accept

Grand Theft Auto 4 (GTA IV): InGame Trainer 1.1 Support for patch 1.0.4 Free Download

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These can be customized easily with the supplied inGameTrainer.ini.

The trainer’s menu is very extensive, there is everything you want, from a chair to clothes, from ammunition to NPC