Windows 10: Will I have to reenter my windows product key for downgrading from 11 to 10 while my laptop...

Hello I have an old Samsung notebook laptop from 2012 with a 3rd gen Intel core i7 with integrated graphics, 8 gigs of ram and a dedicated nvidia GeForce 650m GPU. The laptop was not in use from that time till now when my father sent it to me after repair as the battery had expanded. The laptop has the windows 8 sticker on it indicating it came with win8 preinstalled. But when I switched it on after so long i realised windows 11 has been installed on it. Maybe my father told the repair guy to upgrade it's OS. But the laptop is stuttering alot lately and I think it can't handle windows 11 as th

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Product Key not valid for downgrade

The problem is Microsoft never handled it.

Downgrade rights is handled by Lenovo, etc.

This is the information I saved before Microsoft pulled it:

Here is the information about Downgrade rights. It is an old Microsoft link which they removed but the information still apples>

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Downgrade rights for Windows software
The following OEM versions of Windows software are eligible for downgrade rights.

[table][tr][td]Windows 10 Pro includes downgrade rights to:

• Windows 8.1 Pro
• Windows 7 Professional

[/td][td]Windows 8.1 Pro includes downgrade rights to:

• Windows 7 Professional
• Windows Vista Business

[/td][td]Windows 7 Professional and Windows 7 Ultimate include downgrade rights to:

• Windows Vista Business and Windows Vista Ultimate
• Windows XP Professional, Windows XP Tablet PC Edition, or Windows XP x64 Edition

Note Other OEM Windows 7 versions (for example, Windows 7 Home Basic and Windows 7 Home Premium) do not include downgrade rights.[/td][/tr][/table]

Note downgrade rights are only available as long as Microsoft provides support for that earlier version,
as outlined in the
Windows lifecycle fact sheet.

Steps for an end user to downgrade Windows software
To downgrade eligible Windows software, end users must:

• Purchase a PC preinstalled with Windows software.
• Accept the Microsoft Software License Terms.
• Perform the downgrade process to the eligible downgrade product using the media/key from a genuine, previously licensed OEM or retail product.

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That's why I advise you to contact Lenovo.

 

Downgrade from Windows 10 Pro to Home Using 7 Key

I've been given a PC with WIndows 10 Pro. The Windows 10 Pro appears to be a trial version. If I downgrade to Windows 10 Home using the following tutorial, can I use a Windows 7 Home Product key for the final "Change product key" step? Downgrade from Windows 10 Pro to Windows 10 Home

 

windows 10 key

Thanks but I don't want to do any decrypting. I want to download a Win 10 ISO from Microsoft and install it using my Win 8 key. No other steps required. Is that possible?