Create multiple GTA IV instances for downgrade or modding

This article is for modding enthusiasts who want to save disk space while maintaining several copies of GTA IV. It can also be useful to create a single separate copy of game folder for downgrade.

Reducing space taken by GTA IV copy folder 1

General barebone_iv.bat usage. 1

Example usage scenarios. 1

How to make copy for 1.0.0.0 rollback. 1

How to make copy for 1.0.4.0 downgrade with old radio downgrader 1

How to make copy for classic 1.0.7.0 downgrade with official Rockstar Patch 7. 1

How to make copy for simplified 1.0.7.0 express downgrade with ZolikaPatch. 1

Overall space savings. 1