Drag and Drop [gameconfig.xml] to the following path :

                    mods/update/update.rpf/common/data



Install additionally Packfile Limit Adjuster 
https://www.gta5-mods.com/tools/packfile-limit-adjuster

and HeapAdjuster
https://www.gta5-mods.com/tools/heapadjuster

Copy the Packfile and Heapadjuster files from the archive to the GTA 5 game folder.

Installation complete!
