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Windows 7: Upgrade Windows 7 Professional to Ultimate

15 May 2010   #1
ekopaxus

Win7
 
 
Upgrade Windows 7 Professional to Ultimate

Hi,

I have Windows 7 Professional (64Bit) installed and attempted to upgrade to Windows 7 Ultimate (64Bit). My DVD has 32Bit and 64Bit. Clicking on 64Bit and going forward, I receivee a message saying that I can't upgrade to 32Bit from 64Bit and the installation (upgrade) stops. As stated, I clicked on 64Bit as previous edition.

What could be the issue?

Many thanks in advance.

Regards,


My System SpecsSystem Spec
15 May 2010   #2
richc46

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Do a clean install, not an upgrade

Clean Install with a Upgrade Windows 7 Version[2]=General Tips
My System SpecsSystem Spec
15 May 2010   #3
ekopaxus

Win7
 
 

Hi,

Thanks for your reply. Much appreciated.

Was just trying to avoid a clean install.

Thanks again.
My System SpecsSystem Spec
15 May 2010   #4
richc46

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

A clean install is not a big problem. You can use windows easy transfer for settings, cookies, desktop etc. Then reinstall programs as you need them.
My System SpecsSystem Spec
15 May 2010   #5
gregrocker
Microsoft MVP

 

The issue is that Win7 wants you to use Anytime Upgrade to upgrade within Win7.

There is a workaround which can be adapted to do an inplace Upgrade here: Upgrade the Windows 7 RC to any retail version Icrontic Tech

By changing the shown Registry keys to Ultimate exactly as shown, it tricks the installer into thinking you are doing a Repair Install (same version Upgrade over itself) which is allowed.
My System SpecsSystem Spec
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 Upgrade Windows 7 Professional to Ultimate




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