These are user-made ZIPs found on Google Drive or Mega. They claim to include "100% save files," "realistic graphics mods," and "all DLC." These are often packed with miners or ransomware.
The GTA 5 highly compressed zip patched version is a modified version of the game that has been compressed to reduce its file size. The game is typically around 65 GB in size, but with this compressed version, you can download it in a much smaller file size, usually around 2-3 GB. gta 5 highly compressed zip patched
Without the "patched" label, you might download an original 2015 release that crashes every 10 minutes on Windows 10 or 11. These are user-made ZIPs found on Google Drive or Mega