|If you have a working network interface on your computer you will want to connect that to a LAN port on the router with the network cable that came with the router.|
Once you've done that, read the setup guide that came with the router and follow it's instructions on how to set the device up.
If you don't have a working network interface then you have to start by getting a working network interface in your computer.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.