Purchase a package and enjoy access to all premium certificate templates, plus all the other benefits outlined on the Pricing page.
To access a premium certificate go to the pricing page and purchase a package that suits your requirements from $10. Then, when you have created your account, login and these templates will available for you to edit and download in the usual way. You will also be able to add your own photos and save your certificates for future editing.
Go to the help menu for more information on ‘How to Create a Certificate’ and How to make it shareable.