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Downgrade from Internet Explorer 11 to Internet Explorer 9 on Windows 7 Pro 64

We recently received a number of Lenovo desktops with Windows 7 Pro 64.
They came with IE 11.

For compatibility reasons (3rd party driven), we *must* downgrade to IE9.
But, IE11 does not show up in the Installed Updates list.  In fact, the Installed Updates list is very short!  It has but 24 items showing.
So, we can't uninstall IE11 as there is no choice available.

We can't just install IE11 on top it because a "newer version is already installed".
We can't just install IE9 on top because of the same thing.

I notice that there are IE folders in both Program Files and Program Files (x86).
I see a file ie9props.propdesc on another Windows 7 Pro computer in both the Program Files\Internet Explorer and Program Files (X86)\Internet Explorer .. but I don't know what this means in the context of this problem.
The only thing we can do is to uncheck Internet Explorer 11 in the "Turn Windows Features on or off" dialog.  But, of course, this really does us no good.

There are no workarounds permissible (like using Chrome).  So we have to get this resolved by getting IE9 running.
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Fred Marshall
Asked:
Fred Marshall
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3 Solutions
 
joinaunionCommented:
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jcimarronCommented:
fmarshall--Be sure to download IE9 before removing IE11.  Or install another browser (like Firefox) so that you will have internet access.
http://windows.microsoft.com/en-us/internet-explorer/ie-9-worldwide-languages

But did you know you can run IE11 in Compatibility View for selected pages?
http://www.windows8core.com/how-to-view-and-configure-compatibility-settings-in-internet-explorer-11-of-windows-8-1/

And Compatibility Mode
http://msdn.microsoft.com/en-us/library/ie/bg182326(v=vs.85).aspx
Scroll down to Emulation Mode.  Click on Document Mode.  You will be offered a drop down menu with numbers.  Number 9 is IE 9.
http://www.sitepoint.com/ie11-browser-modes-return/

There is also code you can use to modify the Registry to bring back the old F12 browser mode.
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Fred MarshallAuthor Commented:
jcimarron:  Yes we know about compatibility view.  But when the application provider tells us that they are NOT compatible with IE10 or IE11 and we need IE9 - then we are best served by going along and not trying to invent a new approach.

"old F12?"
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Fred MarshallAuthor Commented:
joinaunion: This worked great!
http://www.sevenforums.com/tutorials/313358-internet-explorer-11-uninstall-windows-7-a.html
i.e. command line:

FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*11.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart"

Then we also had to remove IE10 so I guessed and used:

FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*10.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart"

which also worked!
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jcimarronCommented:
fmarshall--
Glad to have helped.

"old F12?"
When you are back to IE 9 click F12.
Compatibility Mode and Compatibility View are two different things.
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Fred MarshallAuthor Commented:
This covers both IE11 AND IE10.
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