How to Purchase
Customers can choose from credit-card payment options such as VISA, Mastercard and American Express. A purchase web page collects the customer's contact and payment data. We validatethe credit card and process the transaction. A confirmation page displays a serialnumber for the customer to copy or print out.The following sequence shows you an example of what you see when they buy a product.
From Download.com click the "Buy" button

First purchase page
The first purchase page displays product information at the top (name, quantity, and price) followed by contact information fields. Required fields are bolded. The end user clicks Purchase Now at the bottom of the page to display the second purchasing page.
Second purchase page
The second purchase page confirms the purchasing information and the user contact information, provides billing information, provides an email address for billing queries, and prompts for the type of credit card.
Third purchase page
After the end user clicks Submit, the Payment Information section changes to displays amount, payment method, and entry fields for the credit card number, card name, and expiry date. The end user clicks Submit to continue.
Payment confirmation
If the end user’s credit card is validated, the payment confirmation page displays the order number, serial number, download URL, and technical support email link.
Purchase refusal
This page displays if the credit card is refused.