To play a functional version of GTA 5 on PC, you must meet the following minimum storage requirements: Full Installation: Approximately 105GB to 125GB
Rare extreme optimization projects by modders have managed to reduce the game to 2.5GB , but this requires removing almost all audio, textures, and missions. A 24MB file is smaller than a single high-resolution texture or audio track in the actual game. gta 5 iso file7z 24mb full
That being said, here's what I can tell you about the GTA 5 ISO file: To play a functional version of GTA 5
