RTX REMIX (Path-Tracing) Mod
RTX Remix for GTA IV transforms the 2008 classic with cutting-edge ray-traced lighting, making Liberty City look much more modern and atmospheric, while still being a work-in-progress mod with high performance demands.
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INSTALLATION
1. Download Latest GTAIV-Remix-CompatibilityMod
2. Download Latest GTAIV-Remix-CompMod-Installer.exe
3. Place both files in the same folder (no need to copy them to your game folder) and run"GTAIV-Remix-CompMod-Installer.exe"
4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder.
5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix.
4. If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.
5. The installer will ask you if you want to download the required base-remix-mod
6. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)
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USAGE
- Run the game like normal
- Press
F4to open the in-game gui for some compatibility tweaks or debug settings - Press ALT + X to enable/disable DLSS & Frame Generation, select Path Tracing Preset.
- If you notice heavy stuttering, launch the game with the included
_LaunchWithProcessorAffinity_2Cores_GTA4.bat. - Doing this will assign 2 cores to GTA4 and the rest to Remix. If you want a 50/50 split, use
_LaunchWithProcessorAffinity_Half_GTA4__Half_Remix.bat
UNINSTALLATION
- Deleting the
d3d9.dllanda_gta4-rtx.asishould be enough - Re-install the official FusionFix mod if you used the custom Fork

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