You will need to buy a specific Skinny modem for $199 (plus $10 shipping and handling) from skinny.co.nz/broadband which we'll send you that you can very easily install yourself.
You just need to plug the modem into a power outlet, connect your computer using the Ethernet cable or via WiFi and complete a one-time login. Skinny Broadband isn’t just for computers. You can also connect to the internet using your laptop, tablet or smartphone, you just have to use all these devices within the range of your modem.