Source: https://mstdn.isometry.group/@Cahatstrophe2/117323121764942610
transcript
@Cahatstrophe2@isometry.group: you’ve heard of two factor authentication. you’re heard of three factor authentication. now get ready for just never being able to fucking log in at all

I mean get Linux and don’t update?
Doesn’t give me the nostalgia feeling and is also multi user by design.
Still, it would be a fun weekend project, you can start with Linux, set up autologin, set dosbox to autostart on startup, you can even install Windows 3.
Or just for that nostalgia hit: https://archive.org/details/win3-1
So … buy an old 486 and have fun with that, I guess. They still exist, though finding a working one could be pretty difficult and/or expensive these days.
You won’t get back that LAN only world of the past but in Linux and even Windows you can simply disable network adapters/controllers. Maybe if I ever have kids I’ll recreate a LAN only environment for them.