You need a usenet provider like Fastusenet or whatever you prefer, then you need a client like sabnzb and then a search provider like NzbGeek. Source: about 1 year ago

Get sabnzbd, this is kind of like your torrent client, you use this to download the .nzb files, there are many more clients if you prefer another one, here is the tutorial on how to setup SabNZBd. Source: about 1 year ago

If you use an NNTP provider, you also need sabnzbd. It integrates into Sonarr/Radarr and pulls NZBs from your NNTP provider(s) and reassembles them, including searching across other providers for missing parts, and using PAR files to repair broken files. Source: over 1 year ago

You're going to have a bad time if you don't use sabnzbd instead. Source: over 1 year ago

SABNZBD has a Linux version. Depending on your needs (and we'll leave it at that) you may need "other stuff" to go in conjunction with it. Source: over 1 year ago

Get Netlimiter and you can limit Steam and anything else you want to use practically no bandwidth. Source: about 3 years ago

On Windows, the classic tool to solve this problem is called NetLimiter, and it allows you to control bandwidth usage on a per-app basis. I used it back in my Win98 days and it was fantastic, and probably still is. Source: about 3 years ago