Once you're in the settings, find where the port forwarding section is. Next go into your router settings through your web browser by typing the Default Gateway IP you got from the command window (typically 192.168.1.1 for most networks).
Then find the IP address for the 'Default Gateway' and write that down as well. ' and write down that number (you'll need it later). Port forwarding: Open your CMD window, type in 'ipconfig,' find where it says 'IPv4 address.