Hello,
Additional plugins can be activated after the import, because they take resources of the server and it caused the problem you faced.
We’ve mutually edited the Home page on your site. Please check. Let us know if you need any further assistance.
If you want to get sections from other demos, use Studio – edit a page using Elementor > click here http://prntscr.com/10ec6jw and https://prnt.sc/10ec6zt
Regards