• How To Upgrade From Fedora 14 To Fedora 15 (Desktop & Server)
  This article describes how you can upgrade your Fedora 14 system to Fedora 15. The upgrade procedure works for both desktop and server installations.
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• Upgrade Your Desktop From Fedora 8 To Fedora 9 With PreUpgrade
  This document describes how to upgrade your desktop from Fedora 8 to Fedora 9 via PreUpgrade. PreUpgrade provides a frontend that allows the user to easily download all packages that are needed for the distribution upgrade, and then perform the distribution upgrade.
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