Thanks for contacting us and choosing our product!
First of all we see your support has expired, so you should renew to continue get support.
About your issue, if you don’t know how to add layout as demo you should go to Theme Options -> Demo Importer to import demo data.
If you want to create pages yourself you should follow the document here: https://document.harutheme.com/myha/
You can add these shortcodes: https://prnt.sc/12wknkj
Hope this helps!