Happy modding, and watch out for the swingset of death. This post is for educational and archival purposes. Modifying your game violates the Rockstar EULA (though they rarely ban for single-player mods). Always back up your original files before patching.
But if you want to turn Liberty City into a real-world police simulator, drive a 2023 Lamborghini through Star Junction, or make the rain look better than Cyberpunk 2077 — gta iv 1.0.4.0 download
It takes 20 minutes to downgrade. For that effort, you get a sandbox that the modern "Definitive Editions" can only dream of. Happy modding, and watch out for the swingset of death
Here is the truth: Rockstar Games updated GTA IV to version 1.0.7.0 and later 1.0.8.0 (CE). Those patches removed GFWL (Games for Windows Live), which was good, but they also Always back up your original files before patching