Modern GPUs often struggle with GTA IV's old DirectX 9 code. Dropping the d3d9.dll and dxgi.dll files into your game folder (where GTAIV.exe lives) can significantly boost FPS and stability.
The Ultimate Guide to the GTA IV Setup.exe: Installation, Fixes, and Modern Optimization
Modern GPUs often struggle with GTA IV's old DirectX 9 code. Dropping the d3d9.dll and dxgi.dll files into your game folder (where GTAIV.exe lives) can significantly boost FPS and stability.
The Ultimate Guide to the GTA IV Setup.exe: Installation, Fixes, and Modern Optimization gta iv setup exe
