You have to open up the properties either in steam, or in the shortcut of the game and set launch options to -nomemrestrict -norestrictions in order to be able to change the graphics settings.

With this script, you should be able to fix the lag, and make the world load smoother, (it doesn't fix the world not loading bug completely, but it makes the world loading much smoother). Since GTA IV was made a while ago, it gets confused when it has more than 2GB of VRAM available to it. To ensure you want to keep some of your important processes untouched, edit the script! Important info! The script now increases FPS ingame, but closes a few processes in the task manager. Will not use the code I've used for this script.You will not re-upload this script anywhere WITHOUT my permission.➤ The script is 100% virus free, files are checked before they are approved in this site After it's done, you can close it, and use it next time you're launching the game How to fix lag on Grand Theft Auto IV :: Grand Theft Auto IV: The Complete Edition General Discussions GTA IV Lag fix Try running the game with everything on low,you should get between 30-40 fps with framedrops around 10-20.It’s how this game is,it’s not because of your specs,it’s poor optimized.Read the instructions provided and follow them.Lag and World not loading glitch fix, FPS Increaser and more stable game within one script!

Gta iv graphics fix