Open enbseries.ini with Notepad. Look for:
iCEnhancer requires ENBSeries to function. If you haven't installed ENB yet: Gta Iv Icenhancer 4.0 Download
-availablevidmem 65335 -norestrictions
The new shader architecture runs up to 2x faster than older iterations, dramatically cutting down the heavy hardware overhead usually associated with ENB mods. Open enbseries
Run LaunchGTAIV.exe as administrator. If you see "ENB Series" text in the top-left corner during loading, the installation worked. the installation worked.