Try following this insteadno its the creation of a usa account that's the problem. following official apple guide
Create or use your Apple ID without a payment method
When you get to the credit card bit there is no None option so I've gone no further as no idea how to sort it. Anyone have any ideas or am I doing something wrong?
Correct DVD codes usually give SD codes. When buying codes you just need to make sure it says iTunes HD. Some sites have separate SD and HD pages.I'm not positive on this one, but I *think* you have to make sure you buy codes from the Blu-ray to ensure you get HD and 4K versions. If you buy a DVD code you just get an SD version on iTunes. Can anyone confirm?