Once you click on the procced payments button you will be redirected to Paypal.
You don't need a Paypal Account to pay with Paypal, but you do need a Credit Card.
All nullwatch payments are sent to pagos@avantvision.net a dedicated account from Nullwatch Development Partner: Avantvision.
This is the look of the Paypal screen with the Avantvision® logo on top. This is the official Nullwatch payment page.