If you'd like to or install a modding tool to manage this file: Standard IMG Tool setup
Right-click the file > Properties . Ensure "Read-only" is unchecked if you plan on modding it.
If you are downloading a new gta3.img to install mods or fix the game:
The file is always located in your game's installation directory: GTA III / models / gta3.img Size: Approximately 380 MB to 450 MB (standard version). 📥 How to Restore/Download
