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LauriL
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Message 1 of 14

Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

Hello everyone!

Does anybody know how to downgrade Windows 10 Pro to Windows 7 Pro? Where can I get the activation key?

 

Thank you for your answers! I have Thinkpad E470 with W10Pro preinstalled.

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Message 2 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

Hi LauriL,

 

Welcome to Lenovo Community! And happy to have you here.

  

 

ThinkPad E470 doesn't comes with downgrade rights so it is not possible to downgrade from Windows 10

Understanding downgrade rights

How to Windows 10 Pro OEM downgrade to Windows 7 Pro

 

I hope the above information helped you. 

Please feel free to post in Lenovo Community Forums if you have any further queries!

 
Regards,
Prabhansh
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LauriL
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Message 3 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

I thought that every single Windows 10 Pro have downgrade rights to Windows 7 Pro. Windows 10 license terms: 7. Downgrade Rights. If you acquired a device from a manufacturer or installer with a non-academic Professional version of Windows preinstalled on it, you may use either a Windows 8.1 Pro or Windows 7 Professional version, but only for so long as Microsoft provides support for that earlier version as set forth in (aka.ms/windowslifecycle). This agreement applies to your use of the earlier versions. If the earlier version includes different components, any terms for those components in the agreement that comes with the earlier version apply to your use of such components. Neither the manufacturer or installer, nor Microsoft, is obligated to supply earlier versions to you. You must obtain the earlier version separately, for which you may be charged a fee. At any time, you may replace an earlier version with the version you originally acquired.

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Message 4 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional


@LauriL wrote:

Hello everyone!

Does anybody know how to downgrade Windows 10 Pro to Windows 7 Pro? Where can I get the activation key?

 

Thank you for your answers! I have Thinkpad E470 with W10Pro preinstalled.


The way I read Understanding downgrade rights is this: you scrounge media, use a '7 key that's already in use somewhere else (to get into the activation process requires a legit key) that fails, and you call the number then provided for activation.  You use an already-in-use key so a new key doesn't get consumed in the process.

 

Strange, but that's how MS has set things up.  I can report that using a '7 Lenovo OEM key from my T420 for that process has resulted in automatic activation w/out a phone call on several Lenovo laptops.  Can't say why.

 

FWIW,

Z.


The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.


The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog

 

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LauriL
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Message 5 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

Thank you!
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Message 6 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

Revisiting this:  MS has stated that Windows 7 is not supported on 7th-gen (Kaby Lake) processors.

 

http://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad%20E470/ThinkPad_E470_specs.pdf

 

The E470 seems to be available with a 6th or 7th gen CPU so yours may be Sky Lake or Kaby Lake.  I don't know what the implications of a Kaby Lake processor are on downgrade rights.

 

I'd advise making your Win 10 recovery media before undertaking a downgrade install.

 

Z.


The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.


The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog

 

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LauriL
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Message 7 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

I have i3 (6th Generation), (no Kaby Lake), so that's not problem Smiley Happy This isn't the newest version of E470. I have also T420, so I use my product key from it.

Thank you for your help!

E: I can also download Windows 10 recovery medias from Lenovo at any time. Smiley Happy

LauriL
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Message 8 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

Can I create recovery disk in my T420 and use it for downgrading the Windows 10-laptop or do I need something 'more official'?

 

- Lauri

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Message 9 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

I haven't tried that, but I would not expect it to work.  Perhaps others here have tried and can comment...

 

One of the problems with the MS approach to a downgrade install is finding media - and in later model machines getting it to work.

 

If you can find MS media you'll probably need to add USB 3.0 drivers [edit] and modify for a UEFI install if desired. Some laptops (not the E470 I think) will also need NVMe drivers.  These generally have to be added to the media, not inserted @ install time.

 

Z.


The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.


The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog

 

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LauriL
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Message 10 of 14

Re: Downgrading Windows 10 Professional (Preinstalled) to Windows 7 Professional

Hello!

 

I get Windows 7 media today, and used old Product key from my T420. It was activated immediately without a phone call, so something is wrong now. What do I do now?

 

I'm so tired to this problem, so, please, help someone! Smiley Happy

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