If you purchased a serial number for FeedDemon 3, the upgrade to FeedDemon Pro 4 is currently $9.95. If you didn't purchase the previous version, the price is $19.95.
To order FeedDemon Pro, simply download FeedDemon from our site, then select "Purchase Serial Number" from FeedDemon's Help menu.
Note that FeedDemon will automatically detect whether you purchased the previous version and display the appropriate upgrade price.
