We supported Bank Transfer, PayPal, Credit Cards and Debit Cards Only.
If you want to pay via PayPal or Credit Card and you can simply visit Invoice Page in the client area and open the unpaid invoice. After that, you can anytime change the Payment method by using the dropdown menu as the below image.
When you click on the Credit, Debit Cards option, you will be redirected to the payment gateway and you can use many more payment options in there as the below image.
If you are using Bank Transfer, That also accepted