Many players use "Ultra Low End Citizen" packs to remove demanding visual elements:

Turn off FXAA , MSAA , Ambient Occlusion , Screen Space Reflections , and Tessellation .

To run FiveM (GTA V) on an ultra low-end PC, you can use specialized FPS boost packs (often called "Citizen" files) and aggressive in-game setting adjustments to achieve playable frame rates, even with as little as 4GB of RAM.

Adjusting these internal settings is the most immediate way to gain performance: