There is no legitimate, safe, or functional version of GTA V that is compressed to 500MB. The full game is around 65–100 GB. Any website claiming a "500MB highly compressed" version is almost certainly a scam, virus, malware, or fake file . Downloading such files can:
Downloading these files poses significant security risks: gta 5 highly compressed 500mb for pc link
Before downloading, ensure your PC meets the minimum system requirements: There is no legitimate, safe, or functional version