The header area of the theme offers three widget areas, one full width and two others which go side-by-side. If you see on the demo site, the home page has a caption to the left and a photo to the right. Each one is Widget One and Widget Two, respectively.
Adding either one uses a text widget, so if you want to start with a demo, drag one text widget to the Widget One position and add text to it and title it whatever you want then add content…for example:
Welcome to the Prestige theme for WordPress! This theme can be used for an assortment
of sites from corporate style to product based businesses.