Welcome to the Community!
We were able to locate your account using your community details and confirmed that the service was activated today.
You are not getting any internet connection due to wrong configuration on your NBN modem/router. We've created an article that will guide you on how to configure it correctly.
Please check this article: How to set up your TP-Link VR1600v modem
You'll be able to get the service working once this is done.