How to bind a credit card to an iTunes account?
iTunes can register a free account, and you don't need to fill in the credit card information during the registration process. Operating steps: use iTunes software to search for a free software, such as QQ software. First, search for "QQ" in iTunes software > click a "QQ" at will > prompt to register a new account > click to create a new account, and you need to select "None" in the payment method to register a free account.