Check out the Nokia store on your new Lumia. It is the one stop shop for the latest apps, games and music. Find what you need with the search bar. If you have your credit card linked to your Microsoft account you can pay for what you need without having to enter your details again.
If you need more help or assistance, check out the Nokia Care YouTube channels or contact our Nokia Care team here.
Find out more about the Lumia 920 & Lumia 820 here.