Follow this guide exactly. Rushing or skipping steps often leads to corrupted dll errors or the game crashing on launch.

However, any file claiming to be "ultra-compressed" (e.g., 100 MB or 500 MB) is almost certainly or a scam. What is a GTA 5 Repack?

Gta 5 Highly Compressed Setup For Pc ((exclusive)) ⇒ < Tested >