apple tv no itunes store account

Your Apple ID account should have full information, including billing address, a payment method, and the account should be verified (respond with code). Then it should be ready to access the iTunes Store.

How to create a new Apple ID - Apple Support

Manage your Apple ID account - Apple

Change, add, or remove Apple ID payment methods - Apple Support

Payment methods that you can use with your Apple ID - Apple Support

Please contact Apple Support for further assistance. The staff should be able to look into your account to see what is amiss.