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Windows 7: Upgrading Windows 7 Home Premium to Ultimate. Can be done.

06 Dec 2011   #1

Windows 7 Ultimate 64
 
 
Upgrading Windows 7 Home Premium to Ultimate. Can be done.

In case anyone is running into issues trying to upgrade Windows 7 Home Premium to Ultimate, I did the following things and got it to work. I ran into the "Can't upgrade. Need clean install" issue, and the "you have a later version" issue.

1. Changed the two registry keys in

Hkey Local Machine\Software\Microsoft\WindowsNT\CurrentVersion\

Changed

Edition ID to "Enterprise"
Product Name to "Windows 7 Enterprise"


2. Browsed the Windows 7 Ultimate CD directory, found the Setup.exe file, right mouse clicked it, selected "properties", and told 7 that I wanted to run this file in Vista Version 2.

Then ran setup from Windows 7 Home Premium.

Worked great.

You obviously need an upgrade license for this to work, but I had just purchased one.

My System SpecsSystem Spec
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06 Dec 2011   #2

Seven ultimate 32bit
 
 

Interesting!!!
My System SpecsSystem Spec
06 Dec 2011   #3

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

You could have used AnyTime Upgrade.

No install files needed.
Only the Upgrade key is need.
Anytime upgrade only adds-on the Programs & Features from version to version.
Windows Anytime Upgrade - How to
My System SpecsSystem Spec
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06 Dec 2011   #4
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Roger,

Strange, you should have been able to upgrade Windows 7 Home Premium to Ultimate according to this below.
Windows 7 Upgrade Paths
If you have a upgrade Windows 7 Ultimate installation disc, then you could alsos use the method below to do a clean install with it instead if you like.
Clean Install with a Upgrade Windows 7 Version
Hope this helps,
Shawn
My System SpecsSystem Spec
06 Dec 2011   #5
Microsoft MVP

 

The workaround you found has been used here many times with success. Only the regedit is needed from the original steps by which many originally changed from beta to RTM: Upgrade the Windows 7 RC to any retail version Icrontic Tech

If you are one who requested this earlier it was likely not suggested because you are using Enterprise which uses a different activation scheme and thus hasn't been viewed previously as a candidate for the workaround.

I doubt if Anytime Upgrade would work because it's process is started by inserting a key and Enterprise uses VLK which isn't a consumer key. But someone could try it as well.

Thank you for heads-up that the workaround to in-place Upgrade between Windows 7 versions works to Enterprise.
My System SpecsSystem Spec
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 Upgrading Windows 7 Home Premium to Ultimate. Can be done.





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