Firefox’s free VPN will offer 50 gigabytes of monthly data, which is pretty generous for a browser-based VPN. A Mozilla account is required to make use of it, which isn’t a hardship (they’re free), but is a point of friction some may wish to know upfront.
AFAIK torrent. But I’ve been torrenting all my life without port forward and I have all the seasons from my favorite Linux distros,.
If I can’t download it without jumping through yet more hoops, I’m sure I don’t really need that particular Linux distribution.
It is basically a requirement in most private trackers. Either because it literally is, or to be able to hit seeding limits quickly.