Reduces file size without losing data (like text or code). It usually saves 10% to 50% of the space.
Downloading a "highly compressed 500MB" version of Grand Theft Auto V (GTA V) not possible and highly likely to be a scam or malware . The original game files are approximately gta 5 highly compressed 500mb for pc
Most "highly compressed" 500MB downloads for PC are dangerous or non-functional for several reasons: Why 500MB "GTA 5" is a Red Flag Reduces file size without losing data (like text or code)