Be wary of downloadable .reg files or "FPS Booster" executables. Many are placebos, and some can actually cause system instability by messing with CPU priorities.
Guides from this period frequently suggest enabling Hardware-Accelerated GPU Scheduling . For mid-range cards, this significantly reduces input latency. The Lowlights FiveM (GTA V) 2022: Boost FPS And Fix Lag on Fi...
If you are still lagging on a specific server, it’s likely not your PC—it’s (like high-poly custom cars). No amount of local "boosting" can fix a server with 500MB car streams. Be wary of downloadable