How to Setup Menu
1. Go to Dashboard > Appearance > Menus
2. Click Create a new menu under Menu settings.
3. Enter the Menu name for your reference and click the Create Menu button.
4. Then, Add the Pages and Posts that will display under your created menu in the frontend.
5. If you want this menu as your primary menu, Enable the Primary Menu check box under Menu settings.
6. then, Save the Menu.