: Buy and download through the official Rockstar Games Store .
Yes, such compressed versions exist, but they come with significant trade-offs. Download Gta 4 Highly Compressed 670 Mb For Pc
Which of those would you like?
: To achieve a 670 MB size, core game files such as audio, high-resolution textures, and cutscenes are often removed, resulting in a "butchered" experience. : Buy and download through the official Rockstar Games Store