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Change Windows Edition from Enterprise to Professional

Benoit LecoursJuly 28 20152 Min Read

Founder of System Center Dudes. Based in Montreal, Canada, Senior Microsoft SCCM Consultant, 8 times Enterprise Mobility MVP. Working in the industry since 1999. His specialization is designing, deploying and configuring SCCM, mass deployment of Windows operating systems, Office 365 and Intune deployments.

Benoit Lecours

President

Table of Content

What you need
Which version can be upgraded to Windows 10
How-to change Windows edition from Enterprise to Professional

SCD Collaborators

Windows 10 is coming out tomorrow. You want to install the latest Windows version to have the new OS features but you found out that one of your computer is running Windows 8 Enterprise edition which is not covered by the free Windows 10 upgrade. If you don’t need the Enterprise features, you can decided to downgrade your Windows 8.1 Enterprise edition to Windows 8.1 Pro to have the free upgrade to Windows 10.

This post will show you how to downgrade / change Windows edition from Enterprise to Professional in a couple of steps. This procedure works for Windows 7, 8 and 8.1 and you won’t need to reinstall your software and apps. The whole procedure should take about 30 minutes.

What you need

Windows 8 Pro media
A valid Windows 8 Pro product key
Valid backup of you data in case something goes wrong

Which version can be upgraded to Windows 10

The following Windows versions can upgrade free to Windows 10 Home:

Windows 7 Starter
Windows 7 Home Basic
Windows 7 Home Premium
Windows 8.1

The following Windows versions can upgrade free to Windows 10 Pro:

Windows 7 Professional
Windows 7 Ultimate
Windows 8.1 Pro
Windows 8.1 Pro For Students

The following charts shows which version of Windows 10 you will get depending of you Windows 7 / 8 version:

How-to change Windows edition from Enterprise to Professional

Here’s what’s to be done to change Windows edition from Enterprise to Professional:

Open Regedit.exe
Navigate to HKLM\Software\Microsoft\Windows NT\CurrentVersion
Change ProductName to Windows 8.1 Professional
Change EditionID to Professional

change Windows edition from Enterprise to Professional

Navigate now to HKLM\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersion
Change ProductName to Windows 8.1 Professional
Change EditionID to Professional
Close Regedit.exe

change Windows edition from Enterprise to Professional

Start the Windows 8.1 Pro installation
Enter your 8.1 Professional product key when prompted

change Windows edition from Enterprise to Professional

On the Chose what to keep screen, select Windows settings, personal files and apps

change Windows edition from Enterprise to Professional

Review your selection and click Install

change Windows edition from Enterprise to Professional

The computer will now reboot and once restarted you will have a Windows 8.1 Pro computer.

change Windows edition from Enterprise to Professional

The next step is to update you PC using Windows Update. Once all updates are installed, you just have to wait for your computer to receive your free copy of Windows 10.

Bonus tip : Once the downgrade is successful you can safely delete the Windows.old folder to free up some hard disk space. See this link for detail on how to do this.

Change Downgrade Edition Enterprise Home Professional Starter Ultimate Version Windows 10 Windows 7 Windows 8 Windows 8.1

SCD Collaborators

Comments (39)

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Brian Dyndur

01.11.2020 AT 09:29 PM

Hi, This does not work anymore. I followed instructions exactly as prescribed on Windows 7 Enterprise N and no disc I try will allow me to downgrade afterwards to Windows 7 Professional. I desperately need to downgrade 7 N to Pro so I can upgrade to 10 Pro. Any ideas?

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Adrien HOURCADE

07.26.2019 AT 07:20 AM

Hi, thanks for that, this is exactly what I looked for. Does everybody know if it work for a surface (pro 3) ?

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Abdul Sami Khan

11.15.2019 AT 04:59 AM

Yeah, it will work.

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Chris Sherman

08.24.2018 AT 09:44 AM

Have Windows 7 Professional, and trying/failing to reinstall either 8.1 Pro (using a disc provided by HP, and a DPK bought on internet), or 7 Professional (using an ISO image, burned to DVD, and DPK, also bought on internet). Repeated fails at some point, with message "Windows cannot install required files. The file may be corrupt or missing. Make sure all files required for installation are available, and restart the installation. Error code: 0-x80070017". In addition to the file used to burn the Windows 7 install DVD, there were 5-6 other folders that came with the download, so I don't know if/how these might be accessed, or if the are the "corrupt or missing" files referred to in the error message.

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daz loader

07.02.2018 AT 06:32 AM

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AARON EDELSON

07.25.2017 AT 06:35 PM

If using this method on Windows 7 Enterprise, just remember that the registry needs to be changed to "Professional" ...NOT pro!

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larahs

06.12.2017 AT 01:48 AM

Just wanted to add some additional info. Following the instructions above, I was using Win 7 SP1 Enterprise and wanted to downgrade to Pro, but install program complained i had installed and was using a later version of Win7. Tried building and using Win7 Pro slipstreamed with SP1, but install program still had the same complaint. Then uninstalled SP1 and used the plain Win7 Pro ISO and that worked. Able to downgrade to Pro (minus a couple of DLL/file errors during the install). Finally, reinstalled SP1 afterwards. Thanks for the instructions!

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Riaz

03.30.2017 AT 06:05 AM

Thanks !! This worked for me.

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scott petrack

11.03.2016 AT 09:58 PM

Thank you for such a clear tutorial. Could you tell me (or give an educated guess) as to whether I am likely to be successful if I follow the exactly "analogous" procedure in a situation which is exactly like the one here with the following THREE variations: 1. I need to downgrade from Windows 10 Enterprise to Windows 10 Pro. 2. Actually, what I **really** need is to downgrade from Windows 10 Enterprise Evaluation to Windows 10 Pro. (I have a valid Windows 10 Pro key). Finally, to make things interesting: 3. I am some 3500 miles from the machine I need to downgrade, so I would like to do this using Teamviewer or remote desktop. Do I have even a snowball's chance in Hell that the procedure you suggest will work? Using either teamviewer or remote desktop, I can mount a Win 10 DVD i have on the remote machine. So all the steps 'make sense' and can be done. Thank you for any informed opinion you might be able to share. (IN case you're wondering why i would need to do something so stupid: On a recent visit with my mother, I learned that the dreaded Anniversary Update had hosed her perfectly fine installation of Win 10 Pro. Unfortunately, it even hosed the recovery environment. I tried various fixes I found online, whcih were based on the WIn 10 Enterprise Evaluation .iso that one can download for free. But nothing worked; in the end, I just installed that Enterprise Evaluation DVD, restored her apps and data, and took a plane home. Of course, now it is demanding to be activated, So I need to downgrade 'back' to Win10 Pro. And I need to do this without losing the installed Apps, because my mother can't really install Teamviewer. Last question: Rather than mount the installation DVD remotely, could i just mount the .iso on the remote machine? I'm hoping that in your above procedure, the machine ejects the installation media before it reboots (because whether the machine mounts an .iso image or mounts the DVD on my desktop, the DVD won't be mounted after the reboot.

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James

05.14.2017 AT 12:33 PM

Hi Benoit, Is the same downgrade process applicable for Windows 10 Enterprise to Pro?

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09.08.2016 AT 06:10 AM

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Marcel

08.24.2016 AT 06:33 AM

Right now it appears like Drupal is the best blogging platform available right now. (from what I've read) Is that what you're using on your blog?

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Valkery

07.16.2016 AT 10:25 PM

Can this work with an OEM Dell key ?

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Lars Bjerga

07.10.2016 AT 11:28 AM

I used this to get windows 10 to upgrade to 1511 it allowed me the option to update after thanks!!! a ton didnt need to reinstall!

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06.29.2016 AT 12:19 AM

Have you ever considered writing an e-book or guest authoring on other sites? I have a blog centered on the same information you discuss and would love to have you share some stories/information. I know my visitors would enjoy your work. If you are even remotely interested, feel free to send me an email.

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Mohammed

04.08.2016 AT 10:01 AM

Hi, I changed the information in Registry, after that i did reboot the windows. when Windows started I downloaded the Windows 10 Web Installation file and it's started and it's downloading now. it's possible to install the windows 10 Directly after changing the Registry information without installing Windows 8 Pro ? or it will make a problem?? Thanks

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Romain

05.27.2016 AT 12:55 PM

Since you installed windows 10 like that, did you have problems ? Because I want to update my windows 8.1 enterprise but I haven't a key to install windows 8.1 pro ...

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Hollis Babb

12.18.2015 AT 06:19 PM

Can I downgrade from win 8.1 enterprise to windows 8 Pro volume license? I can't seem to make it work. I want to then go to win 10 pro.

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Zach

07.01.2016 AT 10:44 AM

There's no such thing as a volume license for Win7/8/10 Pro. Volume Licenses are just for Enterprise and Education customers. There are OEM licenses for Pro - that's what Dell/HP/etc buy to make machines with. But regular customers can't get those of course.

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Michael

07.29.2016 AT 03:22 AM

That's incorrect. Windows 7/8.1 Pro editions can be licensed with MAK and KMS methods using corporate Volume Licenses.

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hassonraza

12.06.2015 AT 07:27 AM

Please help.. It shows me only 2 options after I insert product key for professional. 1 Save personal files 2. Nothing I couldn't get options for applications. Please help.

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Richard

11.18.2015 AT 08:02 PM

Thank you! This worked perfectly.

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cbrom

11.17.2015 AT 10:09 AM

hi lately I had windows 10 pro and i switched it to enterprise. what's the big deal what features do i get from it thanks!

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Hashan

11.03.2015 AT 11:18 PM

Can i install windows 10 for windows 8.1 enterprise from a installation media ?

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