For the of the game, the most effective community fix is SilentPatch . It fixes various engine bugs, including compatibility issues with modern GPUs.
To understand the fix, you have to understand the problem. GTA 3 was built for Windows XP and hardware from two decades ago. Modern versions of Windows (10 and 11) and modern Graphics Processing Units (GPUs) handle texture memory differently than the older "fixed-function" pipelines of the early 2000s. gta 3 cannot convert textures your video card