1. From your WordPress Dashboard, select Appearance and then Widgets on the left menu.
2. Drag the RSS Widget to the Sidebar box of your choice. For the purposes of this example we will use the Primary Widget Area.
3. Enter the URL and title of the RSS feed. You can also select how many items to display, whether or not you want the entire content displayed, the author, and the date.
4. Once all of the info has been entered, select Save and then you can close the window as your RSS feed has been saved.