Go through the Appearance > Menus here we can add or remove pages of the menu. On the right side, you find pages with checkbox select the pages you want and click Add to the menu button it will be added in the menu. If you want to change the order just drag and drop the menu as per your requirement.
We hope the last support reply helped you with the issue. Due to no response from the last message, we assume the problem is resolved and we consider closing this topic. If you have any further queries related to the same question then please re-open post your question here instead of opening a new topic.
