Modding is the act of modifying a game’s files to change its content or behaviour. In the case of Grand Theft Auto IV, modding can be used to add new cars, weapons, characters, and even entire missions. There are many different ways to mod GTA IV, but the most common method is to use a modding tool such as OpenIV.
There are many benefits to modding GTA IV. Mods can allow you to customize the game to your liking, making it more challenging, more realistic, or simply more fun. Mods can also be used to fix bugs in the game, or to add new features that the developers never intended. Additionally, modding can be a great way to learn more about game development and programming.