Last week Microsoft has released ‘Window 7 upgrade test matrix‘ in order to outlines supported and unsupported upgrade paths for Windows 7 SKUs.If you plan upgrade to Window 7,it’s useful as a guideline.
However,these Window 7 upgrade test matrix download link
already pulled down by Microsoft after live for few day,thanks to Google cache
offer a view of this matrix description.
This Window 7 upgrade table showed that Window XP to Window 7 in place upgrade are not supported and Window 7 RC to Window 7 RTM in place upgrade are supported clearly.
I already upload this original table to my Google site.If you want to download this original table,go to here downloaded.