Peacock premium on firestick via Xfinity account

Hey, user_cjdn06! Thanks for reaching out to us on the forums! We appreciate you being a Diamond reward member! In order to activate the Peacock reward you would need to start by going to Peacock Activation to enable Peacock on your account. Once that is completed, it should follow up with more information on how to sign up through Peacock. Please let us know if you have any questions.