This mod restores Grand Theft Auto IV's multiplayer experience

Grand Theft Auto IV: Complete Edition on PC lacks any online/multiplayer modes. Thankfully, though, there is a mod that restores it.

Popular GTA mod OpenIV receives cease and desist from Take-Two

Popular GTA mod OpenIV has been shut down by Rockstar lawyers after 10 years

Steam] Grand Theft Auto IV: The Complete Edition ($5.99/-70%) : r/GameDeals

Access GFWL Multiplayer (IV 1.0.8.0 / EFLC 1.1.3.0) - Original Soundtracks - No Modifications - Steam Only - GTA IV - GTAForums

TOP 40 Best GTA 4 mods of All Time

GTA IV Online Revival & Custom Gamemodes

GTA 4: Episodes From Liberty City Cheats for Xbox 360

Where and how do you install mods on a PC in GTA V? - Quora

Single-player modding returns to GTA V after publisher takedown

Zolika1351's Zone - Grand Theft Auto IV

6 Best Grand Theft Auto Mods: Fix The Definitive Edition

Grand Theft Auto - Wikipedia

Grand Theft Auto modding - Wikipedia

Grand Theft Auto IV Patch - Download

FusionFix - Scripts & Plugins - GTAForums