Note: React’s Breadcrumbs use the Breadcrumbs NavXT Plugin. The Plugin must be installed and activated before it can be used. See this page to install.
Add above the content area
Switch on in: Theme Options → Global → Content → Breadcrumbs → Breadcrumbs.
You will also see options to show or hide the Home icon.
Add as a widget
Add the Breadcrumbs links to any widget area. Go to: Appearance → Widgets → Available Widgets → Breadcrumbs NavXT.