You must port forward port 7890 to your router. The instructions vary depending on the router model you are using. But generally you must access your router. This can be done by typing as an address in your internet explorer. You will then be prompted for a user name and password. Fill in your user name and password respectively. Afterward you should have an option for port forwarding. For more information on how to port forward for you router use a search engine and search for “how to port forward for your router model”. Usually they give a much more detailed explanation than to the one I am giving.