But I highly recommend you ask David Szymanski on twitter or in the NewBlood discord
https://discord.gg/NewBlood .he actively responds to fan messages all the time.
I remember that back 2017 when it was only episode 1 it still had x86 support and I know that you can play both the "pre pre pre" alpha version and e3 2016 versions on 32bit computers.
Back in the early stages of Unreal's development the main protagonist was going to be a female. But as more action games at the time were starting to have female protagonists the devs decided to leave it as the users choice.