Step 1− Click on Appearance -> Widgets.
Step 2− The below screen showing available widgets appear.
The below functions under the widget page −
• Available Widgets − You can use these widgets to add into your sidebar main.
• Inactive Sidebar (not used) − These are not used or can be removed permanently from the widget list.
• Inactive Widgets − You can removes the widgets from sidebar but you can keep it in the settings.
• Sidebar− If any widget you add here then it will appear on your site.
• Manage in Customizer − Takes you back to customization page.
Step 3− Drag and drop in the Sidebar. Any widget you add here, shows up on your site.