Thanks for contacting us and choosing our product!
We have just checked your site and see you already imported demo data successful here: https://prnt.sc/vo2ich
But you imported multiple time and it cause menu duplicate.
Please go to Appearance -> Menus to manage them.
Here is the document: https://document.harutheme.com/clarivo/
Video tutorial: https://www.youtube.com/channel/UCnOxXtfrkgq92wgqJCBi55g/videos?view_as=subscriber
In our theme have a notice that Page Options will override Theme Options. You can understand more about it follow this topic: https://harutheme.com/forums/topic/why-theme-options-doesnt-apply-changes/
Here is the topic to help you manage Footer: https://harutheme.com/forums/topic/how-to-manage-footer-in-harutheme/
If you have other issues please search on our forum first for the quick solutions. Hope this helps!