To activate Usanetwork.com/activatenbcu xbox you need to follow these steps Go to the Xbox Home screen and select the Store In the Store, search for "NBCU" and select the NBC app Download and install the NBC app on your Xbox Once the app is installed, open it and sign in with your TV provider credentialsIf you do not have a TV provider, you can sign up for a new one from within the NBC app After you have signed in, you can start streaming NBC content on your Xbox.