internet slow downs

Yes I know this question has been asked before, but I've been working this issue for months with no progress so I'd like to list out what I've tried and get feedback on things I may be missing. The problem: My primary desktop (the one I'm typing on now) has very unreliable internet. Sometimes...

Hello, now I am a streamer and I have three computers connected to a router, me and my brother have been streaming for years now. A few days ago my brother noticed that his computer internet was unstable and was not using all the network that was available to it. Of course we tried a number of...