Postal 3 Archive.org -

You can apply a fan-made English translation patch, but those files are often lost to link rot. The Archive.org copy remains the most accessible English build.

Postal III : Trashmasters, Akella : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive Postal 3 Artbook : Akella - Internet Archive postal 3 archive.org

Because Running With Scissors and their publishing partners effectively scrubbed the game from commercial storefronts, the Internet Archive became one of the few places where curious historians and masochistic fans could experience it. You can apply a fan-made English translation patch,

“This game is like watching a car fire while someone tells you a joke you don’t understand. 10/10 for historical value.” Akella : Free Download