If you need to change or update your billing information, please follow these simple instructions.
1. Go to "Settings", which is located on the top right hand corner of the homepage. (uk.rakuten.tv)
2. Click on the "Billing Information" tap.
3. Insert your card details.
4. Then click on "Add Credit Card".
As an alternative you can also use PayPal. You just need to choose the PayPal option and follow the steps.
Now you're all done and can start purchasing Rakuten TV's movies and TV shows!