If you are looking for a custom launcher to manage rather than bypass a license, there are safer, open-source options available:
The 3DM version saves files differently than the Steam/Rockstar version. gta 5 3dm launcher full
While the 3DM launcher is a notable piece of GTA 5's early PC history, it is completely obsolete today. Attempting to download "gta 5 3dm launcher full" exposes your computer to severe security threats and delivers a broken, outdated version of the game. Frequent digital store sales make the official, fully featured version of GTA 5 highly affordable and completely safe to play. If you are looking for a custom launcher
The utility manipulated how the game client handled initialization security tokens. there are safer