Windows 10: How to "REMOVE" OEM product key from BIOS firmware of a laptop

I want to remove the original OEM product key from the BIOS as if this laptop came without any pre-installed OS. I have come across a program called RWeveryting which can read and write pretty much anywhere, where any sort of data could be written or read. Now I want to know which data in the ACPI tables or any other storage section has to be removed so that the next time I am installing Windows, the setup should think that this is the first time a Windows OS is being installed.

:)

 

OEM keys & bios / firmware upgrades

Hi, I have a HP laptop that was originally Win 8 with an OEM key. That was subsequently upgraded to Win 10. I note that there are bios & firmware upgrades available for my device but I have read that the OEM key is embedded in the BIOS. Can I upgrade the
bios & firmware & the OEM key still be valid?

 

OEM Product Key - Tool Available To Reveal It

Newer PCs and laptops shipping with Windows 7, Windows 8, and Windows 10 no longer come with a Certificate of Authenticity attached to the back or bottom of the PC. Instead, PC manufacturers have worked with Microsoft to embed the product key directly into the BIOS or EFI.
If you need to retrieve the OEM-embedded product key from your PC, you can use this OEM product key utility to extract and show the product key programmed into your PC. Absolutely no user interaction is required, you just run the download and it immediately displays the detected product key. This product key can be used to reinstall Windows 10 and Windows 8 with a clean Windows setup CD to remove bloatware installed by the manufacturer, or to reinstall Windows after a crash or system failure.
Link here: Windows 10 OEM Product Key Tool

 

OEM keys & bios / firmware upgrades

Forgot to mention, I ask this as I had a win XP laptop many years ago & upgraded the BIOS without changing any hard ware and the OEM key suddenly became no longer valid.