Originally Posted by K2

Try look up "port forwarding"

Edit: Saw your other post about port forwarding. You need a static ip and not a dynamic ip to do it. For some ISP's its free or like 2-5$ extra a month.

No you dont need static ip for port forwarding. People buying static ip because ISP's are using something called cgnat and if you are in cgnat u cant open port. Buying static ip get you out from cgnat. If your isp dont use cgnat or you are not in it, you dont need to buy static ip.