To access the templates, navigate to the Email Templates tab in the menu.
To create a new template, simply click the "New Template" button located on the right-hand side of the screen.
Alternatively, if you wish to modify an existing template, select the Pencil icon found under the Action column to initiate editing, and don't forget to save your changes when you're finished.
If you wish to delete an existing template, simply click on the Bin Icon found under the Actions column.