Open a web browser on your computer or mobile device and go to Usanetwork.com/activatenbcu.
Enter the activation code displayed on your TV screen into the corresponding field on the Usanetwork website.
If prompted, sign in to your account. This should be the same account associated with your Telemundo account.
https://www.mytvcodeenter.com/....usanetwork-activaten

Go to nfl.com/activate in your web browser. Look for the "Log In" button on the top right corner of the webpage. Click on it. You will be prompted to enter your email address and password associated with your Hulu account. If you signed up through a third-party service, like your cable or internet provider, you might need to use their login credentials. Once you've entered your credentials, click the "Log In" button to access your account.
https://www.mytvcodeenter.com/nflcomactivate/

Launch the web browser on your computer or mobile device. Go to the official website at twitch.tv/activate. A list of TV providers will likely appear. Find and select your TV provider from the list. You will be redirected to a page where you need to enter your TV provider username and password. This is the same information you use to log in to your TV provider's account. Complete any additional steps or follow any on-screen instructions provided by your TV provider to complete the sign-in process.
https://www.mytvcodeenter.com/twitch-tv-activate/