Are you planning to use this on a console or through HEN ? Knowing your setup can help troubleshoot any installation errors.

Go to the PS3 XMB under Game Data Utility and delete any existing GTA IV game data to prevent conflicts. How to Use the Menu

Installing Red Motion typically involves replacing the game's update.img file.

Red Motion is designed for versatility, working across the main story and often into the standalone DLCs like The Ballad of Gay Tony .

Using MultiMan, copy your GTA IV disc to the internal HDD. It is highly recommended to convert this folder into an ISO format for better stability with mods. Replace the Update File: Download the Red Motion update.img file.

Use the D-Pad to move through options and X to select. Safety and Online Use

An app like MultiMan or Irisman to move files.