Hello, Remilekun Farotade,
Thank you for contacting us and for using XStore.
1/ Please try to disable 3rd party plugins and check how it works then.
This demo uses Multiple headers, so edit them via Theme Options > Header Builder > Multiple headers.
2/ XStore > Sales Booster > enable and configure Floating Menu.
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team