Based on verified Rockstar information, gta vi free download is not available for the complete game

https://wiki-velo.win/index.php/GTA_VI_for_free_a_Vice_City_i_stan_Leonida:_co_ju%C5%BC_ujawniono%3F

Based on verified Rockstar information, gta vi free download is not available for the complete game, though several official promotional downloads can be obtained free.