The official size of GTA IV on PC is approximately . Compressing a 22 GB game down to 670 MB (less than 4% of its original size) is technically impossible without removing massive amounts of content or using malicious software tricks.
A functional version of GTA IV at 670 MB is technically impossible. Download Gta 4 Highly Compressed 670 Mb For Pc
, a "fake" file containing viruses, or a heavily broken version missing most of the game's content. Rockstar Games Why to Avoid 670 MB Versions The official size of GTA IV on PC is approximately
Instead of a risky compressed download, install the official game and use performance mods like DXVK to fix lag on modern or low-end hardware. , a "fake" file containing viruses, or a
Grand Theft Auto IV PC system requirements - Rockstar Support
If the file is legitimate, it may take 5–10 hours to decompress, which puts extreme stress on your CPU and hard drive. Better Alternatives for Smooth Play