To install apps on your Windows Phone, you have to purchase them if they are not free apps. This article lists frequently asked questions (FAQs) about billing and payment in the Windows Phone 7 Marketplace.
How do I choose or update my Windows Phone 7 Marketplace billing information?
Open the Zune software on your computer. Click settings, located at the top of the page, click ACCOUNT, and then click my account, which is listed under Personal info. After signing in with your Windows Live ID, you’ll arrive at a My Accounts page where you can view and update your billing information.
What are accepted forms of payment?
Currently, the accepted forms of payment in Marketplace are to use a credit card or your mobile phone bill (depending on your mobile operator’s agreement). You cannot use PayPal.
How do I change my default payment method?
At the time of purchase, select Change payment method on the Confirm Purchase screen. Using the radio buttons, select between the available default payment methods or select Add a credit card to add a new card.
Why is there sometimes a difference between the actual purchase date made in Marketplace and the purchase date that is listed on my credit card billing statement?
Microsoft may hold the settlement of purchases until a minimum billing threshold is exceeded, typically $10 USD in combined Marketplace purchases or a total of three business days.
How are credit card billing issues handled?
Customers can view recent Marketplace purchases and manage payment methods at Microsoft.
How are issues with purchases on my mobile operator bill handled?
Contact your mobile operator about any billing issues or inquiries that concern purchases applied to your mobile phone bill.
What is the Marketplace refund policy?
For Marketplace purchases, unless otherwise provided by local law of your province/state/territory, or stated otherwise at the time of purchase, all charges are non-refundable.