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(Related : How can I upgrade from Windows 7 to Windows 8 and keep my files and applications? )

I'm trying to upgrade my Windows 7 Pro (msdnaa) to Windows 8 Pro (msdnaa).

The Windows 8 is the final version (I don't have access to previews on msdnaa anymore).

As you can see on the related question accepted answer, Windows 8 should give an option to keep installed programs. But it does not. The only available options are "Keep only personal datas" and "Nothing".

Any idea ?

I'm running with SP1. I've got two partitions (one of them only contains data of a virtual machine). The two operating systems have the same architecture (64 bits).

Screenshot, except that I don't see the "Keep Windows settings, personal files, and apps" option :

screenshot from www.7tutorials.com/files/img/upgrade_win8/upg1.png

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Are they the same architecture (32, and/or 64 bit)? –  techie007 Sep 14 '12 at 1:55
    
Yes. Furthermore, it seems that upgrade shouldn't be possible at all if the two architectures were different. –  Nison Maël Sep 14 '12 at 2:09
    
Ok, that's what I was getting at. Maybe edit that info into your question. Also perhaps include partition and drive types (dynamic, basic, GPT, NTFS, software RAID, etc.), service pack levels, etc. –  techie007 Sep 14 '12 at 2:17
    
Are you by chance trying to upgrade Windows 7 x86 to Windows 8 x64 cause that isn't possible. Furthermore if you don't have access to MSDNAA anymore how do you have a copy from MSDNAA ( its actually called Dreamspark Pro ). –  Ramhound Sep 14 '12 at 11:34
    
No, I'm upgrading from x64 -> x64. And I have access to the MSDNAA. But the Consumer Previews are not in my interface anymore (so I can't have downloaded the CP instead of the RTM) –  Nison Maël Sep 14 '12 at 13:10
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1 Answer

This is by design. Windows is not being upgraded, but being replaced with the new version. The registry is not being imported, nor are older applications.

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You are normally able to upgrade Windows 7 Pro to 8 Pro. I'm pretty sure the OP is asking why he can't. –  techie007 Sep 14 '12 at 2:02
    
Yes, I'm trying to do an upgrade, not a reinstallation (upgrades are done when the OS is booted, reinstallation are using the live cd). –  Nison Maël Sep 14 '12 at 2:11
    
To my knowledge the licence is upgraded and thats it. Windows 7 will not be upgraded, but replaced. –  Keltari Sep 14 '12 at 2:19
    
The license is not actually replaced, once Windows is upgraded, the original license depending on some factors ( Retail License vs OEM License ) could actually be also used on another computer. –  Ramhound Sep 14 '12 at 11:40
    
@Keltari According to Microsoft you can bring your data, settings, and apps along from Win7 only. windowsteamblog.com/windows/b/bloggingwindows/archive/2012/07/… –  imtheman Sep 14 '12 at 22:44
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