: Locate your game's setting folder (usually in Documents\Rockstar Games\GTA V ), back up your original settings.xml , and replace it with the downloaded one. Adjust Crucial In-Game Graphics :
: Set these to Normal (the lowest available setting).
: Switch to DirectX 10 for better performance on older hardware.
: Completely disable MSAA and use FXAA or turn it off entirely to save significant GPU resources.