GTA VI has been officially described as a paid release

https://victor-wiki.win/index.php/GTA_VI_for_free_czy_darmowe_pliki%3F_Co_naprawd%C4%99_mo%C5%BCna_pobra%C4%87_22248

GTA VI has been officially described as a paid release, so any gta vi free download claim for the full game would not match the verified Rockstar sources.