Add a New View
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Click Administer > Site building > Views > Add
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Enter a name for your new RSS feed, choose "Node" and then click "Next"
Create an RSS Feed View
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On the left-hand side, choose "Feed" from the dropdown and click "Add display".
Choose the Types of Node Shown in Your RSS Feed
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On the right-hand side, click the + icon next to "Filters". Choose "Node" from the dropdown menu and then check the box called "Node: Type". Click "Add".
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Choose the node types that you want to include in your RSS feed and then click "Update default display".
Choose the Parts of the Node Shown in Your RSS Feed
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On the middle of the Views screen, click the + icon next to "Fields". Choose "Node" from the dropdown menu and then check the box called "Node: Title". Click "Add".
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You can change some of the setting for the RSS feed display here, but the first time you do this its best to click "Update" and move on.
Set the Path of Your RSS Feed
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At the bottom left of the Views screen, click the "None" text next to "Path". Enter a path (URL) for your RSS feed and click "Update".
Set the Style of Your RSS Feed
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At the top left of the Views screen, click "Missing style plugins" next to "Row style". Click "Update".
View Your Completed RSS Feed
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Click "View "Feed"" in the top-right corner of the Views screen.
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Your RSS feed should be ready!