See How to Direct Connect, etc. There's a link there for configuring your firewall. Just keep in mind that direct connecting can be a hit & miss affair. One minute you can next not. lol There's so many factors such as free slots & bandwidth for you & the other person, & net traffic, & firewalls for either of you.

If you know the person you can send them a magnet link of one of your files (or vice versa) & once they start downlding from you, they can browse you from the upld window (monitor window.) That's where chat can also come in handy.