There are three ways to do your payment:
1.- With credit card throught PayPal. You don't need to create a PayPal account, just introduce your credit card data.
2.- With PayPal.
3.- Using a bank account transference from your bank to that account: ES24 2100 1861 5402 0017 1231. Or a direct invoice to that account number (CAIXABANK). Just indicating your name and sending the supporting ticket of the payment to [email protected]