GTA IV uses DirectX 9.0c, which modern cards handle poorly (stuttering). DXVK translates these calls to Vulkan.
: If your graphics settings are locked after downgrading, create a text file named commandline.txt in your main GTA IV folder and add the following lines: -norestrictions -nomemrestrict -noprecache Steam Community Launching the Game Avoid Steam Launch : After downgrading, do
Disclaimer: This guide is for educational and archival purposes. Always own a legitimate copy of the software. Modifying game files violates the EULA for some launchers (like Steam), though bans have never been issued for single-player modifications. downgrade gta iv to 1.0.7.0
If you have access to pre-downgraded game files from a trusted source, you can sometimes simply delete the contents of your current game folder and replace them with a known working 1.0.7.0 build. This is generally recommended only for advanced users who understand file structures and versioning well.
Even if you manually downgraded, adding (a simple .asi plugin) is highly recommended. It adds dozens of engine fixes, including: Native support for 144Hz and high-refresh-rate monitors. GTA IV uses DirectX 9
: Automated downgrading utilities inject configuration tools and script loaders ( .asi files) which are frequently flagged as false positives by Windows Defender. Temporarily turning off real-time scanning during the extraction process prevents files from disappearing.
) to prevent Steam from "fixing" the downgraded files automatically. Required Software .NET Framework 4.8 (required for the downgrader tool) and Visual C++ 2010 Redistributable (x86) Always own a legitimate copy of the software
: Permits the game to run without the Rockstar Games Launcher or Steam active, reducing overhead. Recommended Downgrading Tools (April 2026) ItsClonkAndre's GTA IV Downgrader
1.0.7.0 的优势在于其近乎完美的兼容性：
Grand Theft Auto IV (GTA IV) is one of the most iconic games in the GTA series, released in 2008. Over the years, the game has received numerous updates, patches, and mods. However, some players may prefer to play the game on an older version, specifically 1.0.7.0, for various reasons. In this article, we will guide you through the process of downgrading GTA IV to version 1.0.7.0.