Hello,
1. The menu in the top bar can be changed in the options of the WordPress Dashboard -> Appearance -> Menus -> Edit Menus menu. After you have edited the menu, you can assign it to the position you want (top bar, main menu, mobile menu and so on) by selecting the checkbox which is under the menu settings. https://prnt.sc/ggg2de
2. To change the popup, you need to edit the existing one or create a new HTML block https://prnt.sc/ggg4cz and assign it to the popup option in the Dashboard -> Theme Settings -> Shop -> Promo popup -> Promo popup text. https://prnt.sc/ggg2nl.
3. As with the topbar, you first need to create the menu or edit the existing one in Dashboard menu -> Appearance -> Menus -> Edit Menus, and then assign it to the main menu position.
Kind Regards
XTemos Studio
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