Hello,
Thanks for using our theme.
I’ve added “Pages menu item” static block on your site , to show it as a menu set next settings, please – https://gyazo.com/77e458b958139adb59dcc4ff9d0c7396
edit content of the static blocks depending on your needs or create your own menus, here you can find some videos – https://www.youtube.com/c/8theme/videos
Regards