It is important to note that downgrading is a modification of software you own. This guide assumes you have legally purchased the game on Steam. Valve and Rockstar Games generally tolerate downgrading for modding purposes, provided you are not circumventing copyright protections to pirate the game. Always verify the integrity of your files through Steam before beginning to ensure you have a clean base.
Modern graphics cards with high VRAM often trigger a bug that locks the game's graphics settings to the lowest values.
Old versions of GTA IV struggle to recognize modern graphics cards with more than 2GB or 4GB of VRAM, often locking your graphics options to the lowest settings. downgrade gta iv to 1.0.7.0
This method takes 5 minutes and works for 99% of users.
在 Steam 或 Rockstar 启动器中，关闭 GTA IV 的自动更新功能，以防止在降级后游戏文件再次被覆盖。 It is important to note that downgrading is
Point the tool to your GTA IV installation folder (usually SteamApps/common/Grand Theft Auto IV ). Downgrade: Select 1.0.7.0 from the options.
The tool will ask which version you want to target. Select 1.0.7.0 (or 1.0.8.0 if you prefer, though 1.0.7.0 is better for mods). Always verify the integrity of your files through
GTA IV uses DirectX 9.0c, which modern cards handle poorly (stuttering). DXVK translates these calls to Vulkan.
You can configure the downgrade to remove Games for Windows Live entirely, using tools like ZolikaPatch . Pre-Requisites: Preparing Your Game
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