Payments are handled by PayPal
You don't need a PayPal account.
Simply select the "Pay by Debit or Credit Card" option under the PayPal login screen.
As soon as PayPal confirms payment, you will automatically return to this site and a page with download links to your tracks.
An email will also be sent to you with download links. You have 7 days and 5 attempts to download your tracks using the email.