Most often, sites are created from a template, but you can also create a template from a site.
To create a template from a site:
1. Click the site to be used from the Sites and Templates dashboard to bring the Site Details menu.
2. Click on the More tab then click the Clone As Template button
3. Type in the title for the template. You can also add a Description or change the folder location, if needed, for the new template. Once done, click the Duplicate Site as New Template button.