Before you begin the purchase process, you need to have a Yahoo! Wallet account with a valid credit card or debit card stored in it.

To start a Yahoo! Wallet account, go to the Yahoo! Wallet homepage and click the "Payment Methods" tab. You will then be able to enter your credit card information that will stored for future use.

To add a new card to an existing Yahoo! Wallet, go to the Yahoo! Wallet page and sign in. Then click the "Add payment method" link at the top of the page. You will then be able to save a new card.

Once you have a valid credit in your Yahoo! Wallet, you can purchase a widget directly from the widget store on your TV. On the purchase screen, you will be able to select a credit from your Yahoo! Wallet to use for the transaction.