Windows 10: does remove upgrade license still retain OEM license ?

Is it possible to remove Upgrade license from Computer A without losing its OEM license?I need to use Windows 10 Pro which is an upgrade license as Virtual Machine in another Computer B; does using Windows 10 Pro upgrade license as Virtual Machine make Computer A lose its OEM license?Computer AComputer B Virtual MachineLicensesOEMUpgrade License from A

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Question about OEM licenses

Quoted from Microsoft Web site:Licensing FAQ

"Q. Can a PC with an OEM Windows operating system have its motherboard upgraded and keep the same license? What if it was replaced because it was defective?"

"A. Generally, an end user can upgrade or replace all of the hardware components on a computer—except the motherboard—and still retain the license for the original Microsoft OEM operating system software. If the motherboard is upgraded or replaced for reasons other than a defect, then a new computer has been created. Microsoft OEM operating system software cannot be transferred to the new computer, and the license of new operating system software is required. If the motherboard is replaced because it is defective, you do not need to acquire a new operating system license for the PC as long as the replacement motherboard is the same make/model or the same manufacturer's replacement/equivalent, as defined by the manufacturer's warranty.

The reason for this licensing rule primarily relates to the End User Software License Terms and the support of the software covered by that End User Software License Terms. The End User Software License Terms is a set of usage rights granted to the end user by the PC manufacturer and relates only to rights for that software as installed on that particular PC. The system builder is required to support the software on the original PC. Understanding that end users, over time, upgrade their PCs with different components, Microsoft needed to have one base component "left standing" that would still define the original PC. Since the motherboard contains the CPU and is the "heart and soul" of the PC, when the motherboard is replaced (for reasons other than defect) a new PC is essentially created. The original system builder did not manufacture this new PC, and therefore cannot be expected to support it."

 

Question about OEM licenses

For an OEM license Windows, do I have to get a new Windows license everytime I upgrade the mobo? I read that it was tied to the BIOS. Thanks.

 

Remove OEM license and replace by Retail license

I want to remove OEM license and replace by retail license. The reason is I'm a vendor who sells `Computer Desktop` and `Laptop` to customer. Those Computer Desktops and Laptops have OEM license but my customer just want retail license only for financial reason. So I need to remove OEM license then replace new retail license to Those devices. I tried to change license in menu "Change Product Key" but after changed I tried to check license by using "ShowKeyPlus" app in Microsoft store. it still show me OEM license and have no Retail license which I've just entered it.

How can I remove OEM license and replace by Retail license in Windows 11?