-availablevidmem 2048 : Manually sets the amount of VRAM the game "sees" (e.g., 2048 for 2GB). -windowed : Forces the game to start in windowed mode. -width 1280 -height 720 : Sets a specific resolution. -nointro : Skips the opening logos to speed up startup. Installation Paths

Paste the desired commands (see "Recommended Commands" below). Save the file exactly as commandline.txt .

...\Steam\steamapps\common\Grand Theft Auto IV (or V) Rockstar Launcher: ...\Rockstar Games\Grand Theft Auto IV

This file is primarily used to fix "resource limit" errors where the game incorrectly identifies your available video memory (VRAM) and locks your graphics settings. How to Create the File

For more advanced configurations and a full list of parameters, you can check community guides on Reddit or tutorials on YouTube .

Instead of downloading a potentially unsafe .txt file, you can easily create one yourself: Open (or any text editor).