There's an ethernet cable in a pouch in the closet. The pouch is attached to a hanger.
Connect one end of the cable to the ethernet port in your laptop.
Next, look for the ethernet port in the villa. In some resorts, it's in the wall near a table. In others, it's a little connector that's sitting on a table. Plug the other end of the cable into the port.
Open a web browser on your laptop. A web site will automatically load that explains the service. Click to accept the service.
Don't fret when you read that there is a charge for the internet because it does say that when the tutorial pops up. As a DVC owner it is free and it will not show up on your bill when you check out.