The official GTA VI materials available for free include wallpapers, artwork, screenshots, and trailers

https://tiny-wiki.win/index.php/GTA_VI_for_free:_czy_Rockstar_zapowiedzia%C5%82_darmowe_pobranie%3F_56217

The official GTA VI materials available for free include wallpapers, artwork, screenshots, and trailers, while gta vi free download for the full game is not confirmed.