How To Install And Activate USA Network On Your Streaming Device Open the Roku channel store on your web browser. Type in the Search bar USA Network. Click the Details button Hit the Add channel button. Now Launch the app on your device and Sign in account you will receive a registration code, Copy the code. After Sign in visit [usanetwork.com/activatenbcu](https://howroku.com/usanetwork-com-activatenbcu/) on a different device. Enter the copied register code and click the continue button. After a few seconds the screen will refresh and you can access USA Network shows or movies on your Roku device.