Navigate to the Templates section, then click the New template button

In the General Information section, write your Template name, and the type of invoice. If you want to use this template as the default, tick to choose the option below. Click Save
Adjust the template’s size and placement in the PDF Config section (page size, orientation, margin). Click Save
In the PDF Content section, if you want to duplicate a new one template, choose one of these options that you have created, then click Load template.
You also can edit templates by clicking on the Show Editor button.