Load a template, or create your own.
In the Print Layout toolbar,
click the Save button 
. The Save dialog appears.
In the Name field, enter a custom name, or leave this field unchanged to keep the original name.
In the Details field, enter your custom detail information.
If desired, mark the Save with images check box at the top of the dialog to save the template with the images currently loaded in the cells.
Click OK. (Note that if you didn't change the original template name, you'll be prompted to overwrite the template or cancel the operation.)