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Windows 7: Upgrading Windows 7

31 Mar 2010   #11

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

I havent personally inserted a retail key into WAU but a couple of pals did and it worked. Also i remember reading on either technet or that answers site that many people successfully did it. Unless i'm going senile, i think the MS people on those forums also said it works. But really, if it doesnt its ridiculous. One can understand a AU key not doing a full install but not the other way around.

My System SpecsSystem Spec
31 Mar 2010   #12

Windows 7 Home Premium

i'll do another check with the WAU using a full version key again. but should it still not work, i'll use the other method. just checking, should the other method fail, does it mean i gotta do a clean install all over?
My System SpecsSystem Spec
31 Mar 2010   #13
Microsoft MVP


If you're asking whether an Upgrade (repair) install can fail, the answer is yes - but rarely.

So you should always back up your files and possibly a Win7 backup image externally just in case.

If you're asking what are your options if the registry workaround doesn't allow you to in-place from Premium to Pro, then the answer is Clean Install. Or buy an Anytime Upgrade key.
My System SpecsSystem Spec

31 Mar 2010   #14

Windows 7 Home Premium

nah doubt i will until i exceed the 16gb 64x home premium limitation. haha. and thats a long way to go
My System SpecsSystem Spec

 Upgrading Windows 7

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