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06-15-2019

US

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Format and reinstall windows 8.1, Lenovo Y50-70/ Retrieve my previous OS product key

2019-06-15, 8:38 AM

Hi guys,

 

So I have a laptop which when I bought it, it had windows 8.1 pre-installed. Then when the free upgrade was offered to windows 10, i performed the free upgrade. Now I have W10.

 

Now I need a full format of my system and reinstall the W8.1 version which is the one I should have the product key somewhere.

 

My problem is that I don't know how to find the product key  of the pre-installed windows version. I can only retrieve the windows 10 prduct key.

 

Any suggestions?

 

 

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10438 Posts

11-30-2015

PH

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  • Posts: 10438
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Re: Format and reinstall windows 8.1, Lenovo Y50-70/ Retrieve my previous OS product key

2019-06-19, 18:58 PM

Hi AmaryllisB,

 

Welcome to the Community Forums.

 

Starting with Windows 8, productkey for OEM preloaded machine do not show it on the sticker. This would be embedded on the BIOS and activates automatically.

 

There are claims of using third party tools that you may want to check out from this discussion. Succeeding replies from fellow members also show that it works for them.

 

Update us how it goes.

 

Regards



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