How would someone, hypothetically, pirate Baldur's Gate 3 without being able to torrent?

I am interested in how pirates on the internet (which i am not) would get there hands on the files to a game, just, for example, Baldur’s Gate 3, without torrenting? Now, I have heard tell of a place where these nefarious no-gooders would do this, for example gog-games.to. But, once they have acquired the file, what steps to...