Submit a new topic – https://www.8theme.com/forums/xstore-wordpress-support-forum/ and describe your problem/request in more detail. Provide URL of your site via the Private Content area.
About Footer, here is an example from our demo – https://prnt.sc/pkdy-2nS0xSb > https://prnt.sc/TCPtcopbhCvV
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.