You can do a full install with the upgrade version of Windows 7, you will just have to supply your old OS Key when prompted (after you have entered your upgrade key).
I've only ever used full version. MSDN lic.
http://winsupersite.com/article/windows-7/clean-install-windows-7-with-upgrade-media-128512
@hippy started
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I've only ever used full version. MSDN lic.
http://winsupersite.com/article/windows-7/clean-install-windows-7-with-upgrade-media-128512