First you need to log into your Billing PortalIf you have forgotten your password, please use the Forgot Password link.Once you log into your Billing Portal you will be at the Client Area page.Click the Invoices button in the middle of the page, or click Billing and then My Invoices from the top navigation menu: On the My Invoices page you can see a complete history of all your invoices.Click on the Invoice that you wish to pay.On the Invoice page, there will be a Payment Method dropdown box under your information. Make sure PayPal is selected as the Payment Method.Once PayPal is selected, in the top right corner a PayPal Checkout button will appear.Click the PayPal Checkout button to begin the PayPal checkout process to pay your invoice.