How to create an iTunes account?
How do I make this account so my daughter can use iTunes that I am paying for?
[Re-Titled by Moderator]
iPhone 13 Pro, iOS 15
Question marked as
Jana,
To create an Apple ID for her use, see in here:
How to create a new Apple ID - Apple Support
If you want to share purchases with her, where you pay for hers as well as yours, set up Family Sharing with yourself as the Organizer and her as a Member:
Set up Family Sharing - Apple Support