You don't find game ports in the registry editor. You're in the completely wrong place. An address bar is where you see and enter the website name on your web browser. Web browser type doesn't matter. You also need to know your public IP address (what you put into the address bar, you can find this out by typing out something like "what is my IP" in a search engine), and the username and password to login to your router.

Gee, do you even search up what terms mean on a search engine, or just expect me to spoon-feed every single term meaning. The nonsense you come up with...