Head to the Templates page, then start the report template creation process as normal by clicking Create Template in the upper right-hand corner.

Next, choose your template type.

Next, choose your template format.

In the Choose Source step, select "Template".

Select the template that you'd like to clone, then click "Continue".

The template design editor will then open, where you can make any additional changes or customize your new (cloned) template to meet your business needs.