Follow a detailed guide to modifying Grand Theft Auto IV, with information organized for readers exploring its game changes.
Gillian's GTA
Read an introduction to Gillian’s guide for modifying Grand Theft Auto IV.
About Gillian's GTA
Gillian's GTA IV Modding Guide is a centralized, modular guide to modifying Grand Theft Auto IV, organized into sections covering preparation, drag-and-drop archives, downgrading, optimization, additional setup, essential modding, companion mods, extras and resources. It also bundles third-party modifications into a modpack, with attribution given to the original mod authors. The site states it is not affiliated with Rockstar Games, Rockstar North or Take-Two Interactive, and warns that following its steps may violate Rockstar's End User License Agreement, which could lead support to refuse help. Since January 2026 the site has been in minimal maintenance mode, so modpack updates are very sparse and information may be outdated.
Key features
- Sectioned guide covering preparation, downgrading, optimization and essential modding setup
- Drag-and-Drop Archive updated September 2026 for installing modifications
- Bundled modpack assembled from third-party mods with author attribution
- Companion Mods page consolidating extra information into a single page
- Extras and Resources sections pointing to further mods and tools
Best for: Players who want a structured English-language guide to modifying Grand Theft Auto IV and installing a curated modpack.
Good for
- Centralized, modular all-in-one structure covering the modding process step by step
- Described as a profit-free resource that credits the original mod authors
- Community helpers assist the author with modpack updates
Watch out for
- In minimal maintenance mode since January 2026, with very sparse modpack updates
- Information may be outdated
- Following the guide may violate Rockstar's EULA, and support may refuse help
Gillian's GTA at a glance
- Website
- gillian-guide.github.io
- Category
- Gaming › Game Guides, Wikis & Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Gillian's GTA FAQ
Is the guide still actively updated?
Since January 2026 the website is in minimal maintenance mode, so updates to the modpack are very sparse and information may be outdated.
Is this guide affiliated with Rockstar Games?
No. The site states it is not affiliated with Rockstar Games, Rockstar North or Take-Two Interactive.
Could following the guide affect game support?
The site says following the steps may violate Rockstar's End User License Agreement, and that support may refuse to help because of the EULA violation.
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