Streaming on the PS4 is incredibly easy to do; once you’ve got your log in credentials ready to go, all you do is press the share button, click Broadcast, and click “Start Broadcast” and you’re done. It’s easier than streaming any other console I’ve done, hands down.
One thing you’ll want to do is run a speed test on your computer and check your DL/UL speeds to find out what kind of quality you want to be streaming in, specifically your upload speeds. If you’re at 2-5, I’d do low, 5-8 med, and 8+ high should suffice. You can probably play around with this, but that’s a good rule of thumb to prevent disconnects and such.