1. Login to your WordPress Admin
  2. From WordPress Admin, click on WT THEME_NAME Theme

    global click appearance menu

  3. Here, we will use Base Outline so we can show these gobal header and footer to all pages and also inherit them on other outlines.
    Click on Layout under Base Outline

    global theme click layout

  4. Scroll down to Header section, click config icon next to the Header Toolbar particle

    global theme config header toolbar

  5. Follow on-screen instructioins and update logo, menu, search, cart and other available options as needed.
  6. Scroll down to NavigationBottomBottom Left, Bottom Right and Footer section and edit contents as you need.