Step 1. Log in as administrator and go to Administer > Site Building > Modules.
Step 2. Check the Enabled box for the Aggregator module and click Save Configuration.
Step 3. Go to Administer > Content management > Feed aggregator.
Step 4. Click Add feed and type the feed’s title and URL.
Step 5. Click Save to publish your new RSS feed.
Step 6. Run the Drupal cron in order to update your feed.