Start from here wiki.debian.org/DebianRepository/Setup

Why is your dog in a cage at night?

KDE Neon is based on Ubuntu LTS, you’re fine.

Stick with what you’re familiar. You can run Proton with any distro most likely.

I had the same key on my XP disc.

Yeah, that’s what I’m using.

That’s what I’m using now :)

Really? Apollo was the best client, kinda miss it and the reddit that used to be.

They really should make one!