To pay by PayPal, open the invoice received by e-mail and make sure that PayPal is selected as the payment method. Click the Subscribe button to create a subscription or Check out to make a one-time payment.
If you have a PayPal account just log in and follow the instructions given by PayPal.
If you do not have a PayPal account you can easily create it and set up a subscription.
Just fill in your details and card details to create a PayPal account.
Confirm the subscription or payment. Please notice that if you use other currency than USD or Euro, it will be automatically converted to USD.