Grand Theft Auto IV is played in a third-person perspective and the main character, Niko Bellic, is allowed to explore the massive open-world city. The game features both a single player and a multiplayer mode, but since Grand Theft Auto IV has has lots of details and the world is so vast, there are plenty of things that can go wrong in-game and many others tweaks that need updating.

The patch contains lots of bug fixes, crash fixes, graphics fixes as well as new graphics additions. The are some fixes to the multiplayer mod and the video editor. GTAIV Patch annotates the graphics options menu to include more effects parameters, such as reflections and shadow quality. Controller support has been expanded for a variety of game-pads and wheels, and there are a number of crash fixes and multiplayer tweaks.