Adding a new template in Template Builder is very simple. All you need to do is go into the app, then click the Plus button at the top right of the screen.
Once you've done that you have a number of options.
Create a New Easy-Builder Template
This will let you create a brand-new template which can be built using the drag-and-drop Builder
Copy a Saved Easy-Builder Template
This clones an Easy Built template you've saved to the gallery, so you won't have to start from scratch.
Copy a Ready-Made Easy-Builder Template
This clones one of the provided Easy-Builder templates, which you can use as a base to work form.
Create a New Classic Template
This will let you create a new template using the standard Content Editor.
Copy a Saved Classic Template
This clones a Classic template you've saved to the gallery.
Import from a URL to create a Classic Template
If you would like to import one from a URL, you'll need to use a .html URL and pop it in the 'import' box. See this article for more help.
Paste in HTML to create a Classic Template
Used a third party piece of software to make your email? Copy the HTML into the box provided and hit 'Create' to make your new Classic template.