Get the pack from a reputable source like GTA5-Mods.com .
Specifically designed for older PCs, it can provide a massive 40–60 FPS boost by simplifying textures and lighting. GTA 5 FPS Booster MOD Pack | How To Increase FP...
A game-changer for many, this mod can potentially double your frames (e.g., jumping from 50 FPS to 120 FPS) by using upscaling technology. Get the pack from a reputable source like GTA5-Mods
Mods that replace your visualsettings.dat file via OpenIV can remove performance-heavy effects like excessive bloom and fog. GTA 5 FPS Booster MOD Pack | How To Increase FP...
Drag the modded update.rpf or settings.xml into your game directory or the specified OpenIV path.