You can pay your license in 3 ways, at your convenience:
c) Bank transfer
1. Open the invoice by clicking on the invoice link.
You do not need special credentials or login to proceed with the payment.
2. Click on PAY ONLINE button above the invoice.
3. Select Stripe
4. If you select Stripe option then you can enter credit card details in a pop up window right away:
You can pay with PayPay. The account is: firstname.lastname@example.org