The only official source for iCEnhancer 4.0 is the creator's website:
: Drag all contents from the mod folder (usually including d3d9.dll , enbseries.ini , and the common folder) into your main GTA IV directory (where GTAIV.exe is located). Gta Iv Icenhancer 4.0 Download
Disclaimer: Modding can sometimes affect game stability. Always backup your files before starting. 1. Requirements The only official source for iCEnhancer 4
Press in-game to open the mod menu and tweak settings like brightness, contrast, and motion blur. Troubleshooting Common Issues and motion blur. Troubleshooting Common Issues