To manage and add pages to a menu bar on your WordPress website, login to your WordPress dashboard and proceed as follows:

• From the left side bar, select Appearance.
• Click on Menus.
• Select the Edit Menus tab. Here, you can create a new menu, add pages to it and also delete it.
• Click Save Menu once you are done with your menu management.
• Select Manage Locations tab. Here, you can choose the location of your menu.
• Click Save Changes after you have made the changes.