Windows 10: My Product key is not working after reinstalling windows 11.

When Im giving my product key to get office 365. Im getting below error. Previously it was working fine. If your product key is for Microsoft 365 Business or other business products, redeem it at office.com/setupkey.If your product key is for Office 2010, Office 2007, or Office for Mac 2011, you can redeem it and download Office at microsoft.com/software-download/office.Otherwise, try microsoft.com/redeem. Error code: TOKEN_NOT_FOUNDCorrelation ID: 43d6cb1b-c2d0-4e70-86d8-30ad0e556df2

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Where to find Win 11 Key for REinstallation

Hello,
I have just received my brand new laptop Dell Vostro 7620 with Windows 11 Preinstalled. So I installed and activate Windows 11. Everything works just fine.

In fact, that several applications are preinstalled (McAafee, Office 365, One drive, Dell Apps ...) and of which I have no use, I intend to reinstall Windows 11 from scratch.
I would like to know, can I reinstall Win 11 Pro and activate it with that recovered key?
In that case, as the Product Key would be embedded in the UEFI Firmware chip, how to recover it for Win 11 Pro Reinstallation?

BTW, is there a utility to find the Product Key? I tested ShowKeyPlus, it doesn't help

I'll appreciate yr help
Regards

 

Reinstall Windows 10 with OEM product key

When you upgraded from a previous version of Windows or receive a new computer preinstalled with Windows 10, what happened is the hardware (your PC) will get a digital entitlement, where a unique signature of the computer will be stored on Microsoft
Activation Servers. The Windows 7 or Windows 8 genuine license you were previously running will be exchanged for a diagnostics key.

Anytime you need to reinstall Windows 10 on that machine, just proceed to reinstall Windows 10. It will automatically reactivate.
You will prompted to enter a product key a couple times through the installation, click I don't have a key and Do this later.

There is no need to know or get a new key, but if you have issues with Digital Licensing or the Activation Troubleshooter, you can utilize an existing Windows 7 or Windows 8/8.1 product key
you already ownto reactivate if necessary. or use the reset function in Windows 10.

Step 1: How
to download official Windows 10 ISO files

Step 2:

• How to: Perform a clean install of Windows 10

 

Windows 10 Product Key

Hi Oscar,

Since the laptop has no battery compartment wherein the product key is usually located, we recommend that you follow these steps to find your Windows product key:

• Press Windows + X and select Command Prompt (Admin).
• Enter this command: wmic path SoftwareLicensingService get OA3xOriginalProductKey
  and hit Enter.

Also, if you're looking to reinstall Windows 10 after a hardware replacement, we recommend that you follow the steps provided in this

article.

Let us know if performing these steps resolved the issue.