Download
Download LibertyCityModLoaderIV.zip below. Unzip anywhere (not in the game folder) and open "Liberty City Mod Loader IV.exe".

Needs
GTA IV Complete Edition (1.2.0.59) · Fusion Fix · Windows 10 or 11 (64-bit)
Photos from Unsplash by Benny Rotlevy, Redd Francisco and Daniel (dxstub).