Windows 8 key

Fred Claus

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I've run every program I can find and so far no luck. Is it possible to find the original windows 8 license key once a client has upgraded to Windows 10 on their machine? It seems the new license key that shows up is only for windows 10.
 
The latest version of Produkey should show you the product key that is in the firmware/BIOS, which should be Windows 8, if that's what was on the machine originally.
 
A helpful snippet from that page:

Key types:

OEM: DM = PC specific keys found embedded in the Microsoft Data Management (MSDM) table of the firmware of Windows 8 and Windows 10 factory installed PC's.

OEM: SLP = System Locked Pre-installation key - Win Vista/7 manufacturer specific keys used to mass activate those installations. Activation is off-line with a SLIC table in the firmware and matching Certificate installed together with the key.

OEM: COA = Certficate of Authenticity key found as a sticker attached to PC's factory installed with the above OEM:SLP method as a backup for on-line re-activation.

OEM: NONSLP = Non-System Locked Pre-installation key a.k.a System Builder keys - available from re-sellers and acts as retail on-line activation keys but with an OEM EULA.

Retail = Full Packaged Product (FPP) keys, available from a retail merchant or Microsoft on-line (NB: Windows 10 purchases from Microsoft Store are digital entitlement licences and use a generic key for installation.)

Volume: MAK = Multiple Activation Key is a single key used to on-line activate a pre-determined number of Windows installations.

Volume: GVLK = Group Volume License Key, is a generic key for editions of volume licence versions that activate off-line via a KMS server.

WAU = Windows Anytime Upgrade - Retail key that comes at a reduced price to be used to upgrade an activated previous version of Windows.
 
It seems the new license key that shows up is only for windows 10.
If it's a custom PC with no embedded key in the BIOS (which ProduKey will find), the key for Internet Explorer should be the original Windows poduct key before upgrade.

Why do you need the Windows 8 key though? You can do a clean install with Windows 10 and skip product key entry to activate based on the previously upgraded license.
 
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