Keep this between 25–40. Setting it to 100 will tank your performance, even on an RTX 4090, due to engine limitations.
The game physics (like the final mission helicopter climb) break if your FPS is too high. gta iv pro fixer
Released in 2008, GTA IV was built for the hardware architecture of the Xbox 360 and PS3. When it moved to PC, it suffered from: Keep this between 25–40
It allows you to play in borderless windowed mode, making Alt-Tabbing seamless. 3. ZolikaPatch even on an RTX 4090