IV for Improved Visual, not GTA IV

In the file, included setting for High, Med, and Low PC.
512 MB or higher VRAM = High
256 MB or higher VRAM = Med
128 MB or higher VRAM = Low

Sorry if I can't make detail description.
You can see screenshot for more interest.
And sorry if my English is bad. I'm Indonesian.

Credits:
Boris Vorontsov
Dexshon120
DK22Pac
Fastman92
SilentPL

Detail credits available in the file.

Thanks for all!