Update : We do not support Paypal anymore , we support Skrill(Moneybookers) now, see http://windycase.com/how-to-pay-an-order for new payment method, it is easy !
Your order shopping cart > checkout > Skrill(Moneybookers) safe payment page > input your card details or Login Skrill account > pay confirm > jump back windycase.com > Order successfully!