Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: Downgrade from windows7 enterprise to Ultimate?

16 Aug 2015   #1

windows 7 ultimate
Downgrade from windows7 enterprise to Ultimate?


Just wondered if there is a way to downgrade from enterprise to ultimate ?

I have tried using microsoft downgrader but I have the following error

Access to the registry key
"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\Current Version" is denied.

any help/advice would be appreciated.



My System SpecsSystem Spec
16 Aug 2015   #2

Linux Lite 3.2 x64; Windows 7, 8.1

Same product, but afaik, no up/downgrade path. Different licensing system.
My System SpecsSystem Spec

 Downgrade from windows7 enterprise to Ultimate?

Thread Tools

Similar help and support threads
Thread Forum
Downgrade Windows 7 Ultimate to Windows 7 Enterprise
Hello, I have seen on some threads in the past that it is possible to downgrade windows 7 Ult. to Windows 7 Ent by changing a few registry keys. Does anyone know if this is still possible? Thanks,
Installation & Setup
Failed install windows7 home to windows7 enterprise
I have an HP Compaq dx2000mt desktop that has windows7 32bit enterprise installed on it. I tried to install windows7 home 32bit to replace the enterprise OS. As I was installing it stated the old OS would be marked, XXX.old and it went forward, then came to a point where there were booting errors....
Installation & Setup
Downgrade 8.1 Pro to 7 Ultimate (not Pro)
Hi.I am currently running Windows 8.1 PRO on my main PC and 7 on another.I'd like to downgrade my Windows 8.1 Pro to 7 ultimate and keep all apps , files , settings just everything witouth having to re-install.I don't rly hate the Windows 8.1 menu as I got used to Win 8.0 menu in like 30 mins to 1...
Installation & Setup
Downgrade to Windows 7 Ultimate?
Hi folks, possibly the best thread for my quote - in case not, move it to another ;) I have a Sony laptop CS11S, tried for several weeks w7 enterprise from ms website, fixed all problems with drivers except cardreader and all is working great. I knew that an easy way to downgrade to w7...
Installation & Setup
Windows7 (64 bits; Version: Enterprise) does not detect second monitor
Hi all, I still have the same laptop. I had Windows XP and it was OK to detect a second monitor (the beamer for instance) Once I changed my system to Windows 7; No recognition at all for a second monitor in the screen resolution properties !! Any clue , please ? Best,
Graphic Cards

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 11:54.
Twitter Facebook Google+