Repackers use tools like FreeArc, Precomp, or LZMA2 to shrink game files more aggressively than standard ZIP or RAR. Audio, textures, and video files are often re-encoded to lower quality. Some repacks even remove multiplayer files, 4K textures, or other languages to reduce size further.
Rockstar allows you to download the single-player campaign first (~55GB) and add GTA Online later. This is not "highly compressed," but it is safe and legal. Gta 5 Setup Exe Highly Compressed
It is technologically impossible to compress 60GB of high-quality assets into a few megabytes without losing 98% of the game. Repackers use tools like FreeArc, Precomp, or LZMA2
Ideal for users with limited data plans or slow bandwidth. Repackers use tools like FreeArc