How to display an RSS feed in WordPress

Step 1. Log in to your WordPress admin area and go to Widgets in the Appearance section.
Step 2. Click the Add button next to the RSS widget.
Step 3. In the Current Widgets section on the right click Edit for the RSS widget.
Step 4. Type the RSS feed URL, its title (optional) and check what item details to display (optional).
Step 5. Click Done and then Save Changes to publish the RSS feed on your blog