While Rockstar has released several newer versions, including the 2020 , many veterans still choose to "downgrade" to 1.0.4.0 for several critical reasons:
If you prefer doing it yourself, you can download the raw patch files. Patch Link:
Run the installer and point it to your GTA 4 directory. download gta 4 1.0.4.0
The most reliable method today is using a community-made tool like the GTA IV Downgrader by ItsClonkAndre You can find the latest version on Run the tool, point it to your GTA IV directory, and select
Install the latest version of GTA IV from Steam or the Rockstar Games Launcher. Use a Downgrader Tool: Use a community-verified tool like the GTA IV Downgraders to revert your game files to version 1.0.4.0. Apply the Patch: Use a Downgrader Tool: Use a community-verified tool
Downgrading to this version allows you to run the game directly via its executable, bypassing the Rockstar Games Launcher and Steam's forced updates. Summary of Official Patch Notes (1.0.4.0)
You may need to add a commandline file ( commandline.txt ) to the main directory to prevent stuttering and improve performance on modern GPUs (e.g., -norestrictions -nomemrestrict ). Essential Mods for 1.0.4.0 Essential Mods for 1
Most modern players must "downgrade" their Complete Edition installation using community tools to reach this version.