How to Install Fusion Fix Mod on Windows & SteamOS Linux
🚀 Learn how to install the Fusion Fix Mod for GTA IV Complete Edition on both Windows PC and SteamOS Linux (Steam Deck & Proton). This step-by-step guide will help you fix performance issues, improve graphics, and enhance your gameplay experience with GTA IV.
🔥 What you’ll get in this video:
How to download and install Fusion Fix Mod
Setup instructions for Windows & SteamOS Linux
Fixes for crashes, stuttering, and resolution issues
Improved performance and stability for GTA IV Complete Edition
Download Mod : https://fusionfix.io/iv
Launch Option (for Linux users) : WINEDLLOVERRIDES="dinput8=n,b" %command%
✅ This guide works for both Steam and non-Steam versions of GTA IV Complete Edition.
🔧 Fusion Fix Mod Features:
Widescreen & ultrawide support
Better frame pacing & smoother performance
Fixes mouse input delay and stuttering
Compatible with Proton / SteamOS / Linux / Steam Deck
🎮 Perfect for players who want to enjoy GTA IV in 2025 with modern fixes and smooth gameplay.
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Timestamps :
00:00 Installation of Mod
02:21 Gameplay with Fusion Fix