1. Open the e-mail Paypal containing invoice.
2. Click on “Pay Invoice” link in the e-mail, to open the invoice
3. On the Paypal invoice page, click on “Pay” at the lower left corner . This will lead you to the login page on Paypal site.
4. If you don’t have paypal account, click on “Continue” at the lower left side, above various credit card symbols
5. The link will lead to the screen for using credit card payment