Upgrading directly from windows 7 to windows 8 consumer preview?

I am currently running windows 7 pro 64bit via bootcamp on my late 2009 macbook pro 15". i am wondering if it will work the same way if i use the windows 8 installer to upgrade the existing windwos OS as to install windows 8 consumer preview from scratch via bootcamp. Anyone?

You are completely wrong. Doing any install as a upgrade over an older OS is never faster then doing a clean install. With upgrading the install routine has to move/save/overwrite/discard files that are no longer needed, or so the new version can be removed.
MS has actually gone to Saving the old OS to a folder called WindowsOld and does basically a clean install. This started with Vista I think (although I'm not sure as I never used that Win OS and I NEVER do upgrades over the top of older OSs).
That is just a very poor idea with either OS X or Windows, IMHO.

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    This question was solved.
    View Solution.

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