How do I configure Internet access?

Hi,
I'm trying to configure my Serviio server on my win10 to access internet.
The configuration panel requires an external address.
What is it?
I tried my rauter's address, but no connection was established.
I'm trying to configure my Serviio server on my win10 to access internet.
The configuration panel requires an external address.
What is it?
I tried my rauter's address, but no connection was established.