Installation shown below


Open Open IV
Installation for files in cutsprops.img folder
locate GTA IV/pc/anim/cutprops.img
backup cutprops.img
import my file to cutsprops.img

Installation for files in details.img folder
Locate GTA IV/pc/data/maps/props/residential/details.img
Backup details.img
Import my files to details.img

Installation for files in level_2.img folder
Locate GTA IV/pc/data/maps/interiors/mission/level_2.img
Backup level_2.img
Import my files to level_2.img

Installation for files in soft.img
Locate GTA IV/pc/data/maps/props/residential/soft.img
Backup soft.img
Import my files to soft.img


done enjoy