Latest GTA Vice City Definitive edition PC Download size is about = 10 GB. The latest GTA vice city you can download from the Rockstar site.
You have to Buy all those 2 games also with GTA vice city, You have to buy GTA trilogy ( 3 games) , means you have to buy definitive edition of GTA vice city, GTA 3 and GTA san Andreas only in about 4,994 Rupees/ 66 $. You can’t buy single game.
Also, read – How to download GTA vice city on PC /Laptop