1. Go to the site you will wish to export for later use
2. Go to 'Host' in the Admin menu and then select 'Site Settings'
3. Click on the 'Export Site Template' and fill in the necessary details
4. Click 'Export' and wait for download
5. Go back to 'Host' and 'Site Settings' and click 'Add New Site'
6. Enter the relevant details and select the template you just exported from the dropdown list
Your new site has now been created.