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Jess, The Artist Group

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GTA4 Update.img

GTA4 update.img

Grand Theft Auto IV (GTA IV) is a popular open-world action-adventure video game developed by Rockstar North and published by Rockstar Games. It was released for PlayStation 3 and Xbox 360 in April 2008, and for Microsoft Windows in December 2008. GTA IV is the eleventh title in the Grand Theft Auto series, and the first main entry since 2004's Grand Theft Auto: San Andreas.

GTA IV is set in a fictionalized version of New York City, called Liberty City, and follows the story of Niko Bellic, a war veteran from Eastern Europe who comes to the United States in search of the American Dream, but quickly becomes entangled in a world of crime, corruption, and violence. The game features a realistic and detailed environment, a rich and diverse soundtrack, a complex and dynamic storyline, and a variety of gameplay options, such as driving, shooting, fighting, stealth, and mini-games.


One of the most appealing aspects of GTA IV is its moddability, which allows players to customize their gaming experience with new content, such as vehicles, weapons, skins, maps, missions, and more. Modding GTA IV requires the use of various tools and programs that can edit the game data files. One of these files is update.img, which contains some of the game data that can be modified using tools like SparkIV or OpenIV.

What is update.img?

Update.img is a file that is located in the GTA IV installation folder, under the subfolder pc/data/cdimages. It is an archive file that contains various data files that are used by the game engine. Some of these files are:

  • Weapon models and textures

  • Vehicle models and textures

  • Pedestrian models and textures

  • HUD icons and fonts

  • Sound effects and music

  • Scripts and configuration files

By editing update.img, players can replace or add new content to the game, such as custom cars, guns, clothes, characters, and more. For example, players can replace the default taxi model with a Lamborghini, or change the AK-47 sound effect with a laser gun sound effect.

How to mod GTA IV using update.img?

To mod GTA IV using update.img, players need to follow these steps:

  • Download and install a tool that can open and edit update.img, such as SparkIV or OpenIV. These tools are available for free on various websites .

  • Backup the original update.img file by copying it to another location. This is important in case something goes wrong or the player wants to restore the original game data.

  • Run the tool and open update.img. The tool will show a list of files contained in the archive.

  • Select the file that corresponds to the content that the player wants to modify. For example, if the player wants to change the weapon models and textures, they should select weapon.img.

  • Extract the file to a temporary folder. The tool will create a folder with the same name as the file.

  • Edit the file using another program that can handle the file format. For example, if the player wants to edit a model file (.wft), they should use a program like ZModeler or 3ds Max. If they want to edit a texture file (.wtd), they should use a program like Photoshop or GIMP.

  • Save the edited file and import it back to update.img using the tool. The tool will replace the original file with the edited one.

  • Repeat steps 4-7 for any other files that the player wants to modify.

  • Save and close update.img using the tool.

  • Run GTA IV and enjoy the new content.

Tips and warnings

Modding GTA IV using update.img can be fun and rewarding, but it also comes with some risks and challenges. Here are some tips and warnings that players should keep in mind:

  • Always backup the original update.img file before making any changes. This way, the player can easily revert to the original game data if something goes wrong or they are not satisfied with the results.

  • Be careful when editing update.img, as some files are essential for the game to run properly. If the player deletes or corrupts a file, the game may crash or malfunction. It is advisable to only edit files that are related to the content that the player wants to modify, and avoid touching files that are not familiar.

  • Make sure that the edited files are compatible with the game version and platform. Some files may work only for certain game patches or operating systems. For example, some files may work only for GTA IV Patch 7 or Windows 10. The player should check the compatibility of the files before importing them to update.img.

  • Test the modded game thoroughly before playing. The player should make sure that the new content works as intended and does not cause any glitches, bugs, or errors. The player should also check the game performance and stability, as some mods may affect the game speed, memory usage, or loading time.

  • Be respectful of the original game developers and mod creators. The player should not claim credit for the content that they did not create, or distribute the modded update.img file without permission. The player should also follow the terms and conditions of the game and the mod licenses.


Modding GTA IV using update.img is a great way to enhance and personalize the gaming experience with new and exciting content. By following the steps and tips in this article, players can easily and safely modify update.img and enjoy GTA IV in a new way.


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