1) GTA V: How to install script mods:

This tutorial shows you how to install and run script mods in GTA 5.

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2) GTA IV: Installation of vehicle mods:
This short tutorial shows you how to replace vehicles in GTA IV. There is also a video tutorial available.
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3) GTA IV: Simple Native Trainer Installation:
GTA IV Native Trainer brings you lots of functions. It includes teleportation, vehicle spawning, the world's simplest speedometer and lots of other stuff.
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4) GTA IV: Installing modifications:
This article gives you a small overview of the modding in GTA IV.
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5) San Andreas: Replacing Cars:
This Howto shows you how to replacing the existing vehicles of San Andreas with the cars from this website.
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