Missions, audio files, cutscenes, most of the map, and GTA Online.

: Malicious scripts can lead to complete system failure, often requiring a full hard drive format to fix.

Downloading highly compressed files is almost always piracy. While many people pirate games, doing so via "highly compressed" files is the most dangerous method. You are risking your computer's security and your personal data to save a few hours of download time.

Searching for a " GTA V Highly Compressed Zip File for PC" often leads down a path of scams and malware. While it's tempting to try and save data or disk space, modern games like GTA V are already heavily compressed by their developers.