You can mod GTA 5 in two ways: With .ASI mods and with .DLL mods. Before installing any GTA 5 mods, you'll also need to download some extra add-ons like Script Hook V ...

Natural Vision Evolved mod enhances graphics for a visually stunning gameplay experience while waiting for GTA 6. Realistic Gun Sounds mod improves immersion and adds realism to gun battles in GTA 5.