Windows Technical Preview Upgrade Paths
[Some information relates to pre-released product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.]
This document will describe upgrade paths for Windows 10 Insider Preview for desktop editions (Home, Pro, and Enterprise).
For the Windows 8 version of this topic, see Windows 8 and Windows 8.1 Upgrade Paths.
Related topics
Change the Windows Image to a Higher Edition Using DISM
Upgrade Windows with only a product key