Thanks for using our theme and for contacting us.
Go to Theme Options > Speed Optimization > Menu Dropdown Ajax Loading, Menu Dropdown Cache, Menu Cache, Static Blocks Cache, Remove Query Strings From Theme Static Resources > Off. Activate mentioned options once all changes to the header/footer will be done.
Enabled Elementor for static blocks – https://xstore.helpscoutdocs.com/article/47-static-blocks and set https://prnt.sc/mwrWGIwC9p6w
Clear cache of browser and check then.
If you need any further assistance, provide temporary wp-admin access.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.