1. From WordPress Admin, click on Appearance -> Menus

    global click appearance menu

  2. Click on create a new menu

    global click create menu

  3. Enter menu name Top Menu (you can use any name) and click on Create Menu button

    global create top menu

  4. Select the menu you just created

    global select top menu

  5. Create necessary menu items

    global top menu items

  6. Click on Save Menu