You don't need to have a PayPal account to be able to pay with your Credit Card. When you are ported to PayPal's payment page, you are presented wit 2 buttons. you can choose the frist one if you have a PayPal account allready, and you can pay in 3 clicks, or you can change the second button, check the data in the prefilled form, make the needed corrections, add your CreditCard data, and you are set!