Hello,
Thanks for contacting us.
Please watch this video – https://youtu.be/4n1re0jKorc
Just scroll here – https://gyazo.com/b5af68d9f13f3e0826d2c889321299cd
I can see demo content on your site already. Have you sorted out? Do not import a few versions at the same site. If you want to get pages from different demos, use studio, or we can help you.
Let us know if you need any further assistance.
Regards