Hello,
Appearance > Menus > Mobile menu > add page to the menu.
Dashboard > Static blocks > Edit “Footer + Copyrights” static block > https://prnt.sc/wbcdfs edit this menu via Appearance > Menus
https://youtu.be/OnxkixHtVLI
Also, you need to update the theme – https://xstore.helpscoutdocs.com/article/63-theme-update
Regards