Follow the below-stated steps to activate Amazon Prime Video on your Smart TV now: amazon.com/mytv GO to the home page of the Smart TV and search for Amazon Prime Video. Amazon App will open in front of you. Here you will find “Register on the Amazon Website” and “Sign in and Start”. Please enter the code displayed on your TV. Contact Us. If you are human, leave this field blank. Registration code * Register Device. How to watch Amazon Prime Video on Different Devices: Complete Guide . amazon.com/mytv Amazon Prime Video is one of the best platforms to watch movies and TV shows continuously on the internet.