An OEM license refers to the license that a manufacturer installs on new devices. If this is your case, the product key isn’t transferable, and you can’t use it to activate another installation. (Unless you’re re-activating a new installation on the same computer.)
How many times can an OEM key be used?
On preinstalled OEM installations, you can only install on one PC, but you there is no preset limit to the number of times that OEM software can be used.
How do OEM Windows work?
This means that when you purchased your computer your computer manufacturer put on the OEM copy of Windows 10. Via Microsoft licensing rights, OEM registers to the motherboard and when you change that piece of hardware you need to purchase a new retail version of Microsoft Windows 10.
Do OEM keys work?
In use, there is no difference at all between OEM or retail versions. Both are full versions of the operating system, and as such include all the features, updates, and functionality that you would expect from Windows. Where their paths diverge is in two important areas: support and flexibility.
Are OEM license legal?
Yes, OEMs are legal licenses. The only difference is they cannot be transferred to another computer.
