Amazon Account: Last but not least, you need to register your Amazon Fire Stick to your Amazon account. If you order the Fire Stick from your Amazon account, it’ll come already registered with that account. You can even change it anytime you wish. Amazon Fire Stick Setup Instructions. Now that you’re all prepared, let’s start.
https://www.firesticktricks.com/how-to-set-up-amazon-fire-tv-stick-for-first-time.html

