This is the holy grail of GTA fixes. It resolves issues with high frame rates (like the gym bug or cars driving too slow in water), restores the sun glare, and fixes the "Mouse Not Working" glitch that plagues modern PCs.
: Verified to work on modern systems, including Windows 10 and 11, though it may require external mods like SilentPatch gta sa hoodlum 10 patched