Happy modding, and watch out for the swingset of death.
But with a caveat.
The modding community at GTAForums maintains a master list of every patch. Look for user or "NTAuthority" 's archive threads. gta iv 1.0.4.0 download
The search for is more than a quest for a file; it is a quest for gaming history. As Rockstar continues to update their launcher and strip features, the modding community holds the line at Patch 4. Happy modding, and watch out for the swingset of death
Many players downgrade to 1.0.4.0 specifically for high-end graphical overhauls: gta iv 1.0.4.0 download