Are there tools to find out if there is an OEM key embedded in my computer's Bios/EFI ?

This question requires some backstory. If you are interested in the backstory, or why am I asking this question, please continue to read, otherwise Ignore

The full backstory and my thoughts

  • If the 'agent' did not apply Microsoft's labels to the PCs, then they're not OEM-licensed. That's what Microsoft and the Business Software Alliance bsa.org would say if they visit. Only the 'agent' could prove otherwise. See google.com/search?q=business+software+alliance+enforcement for details. – K7AAY Sep 17 at 17:58
  • Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. Even with the back story, there is absolutely no way we could answer this question, while there are tools to determine which version of Windows was originally installed, based on the story it sounds like those tools wouldn't be helpful (since the machines didn't actually come with Windows). This is the reason you should only purchase machines through an authorized dealer. – Ramhound Sep 17 at 18:01
  • In my defense, I did shorten the question quite a bit. Also the speculation that those machines didn't come with windows installed, was an opinion of mine. It might be not the case. The agent of people who fixed the computers might not be microsoft authorized and also might not know much about licensing. So if there is a way to find out if there was windows actually installed instead of DOS according to the backstory, what are the tools to determine which version of windows was originally installed ? as in your comment. – Shanu Sep 18 at 4:38
up vote 0 down vote accepted

Use SLMGR to get some information.

  • Press Windows, type cmd and press ENTER.
  • At the Command prompt type SLMGR /DLV and press ENTER.

A dialog similar to the following should display license information:

SLMGR dialog

See 3 ways to check whether your Windows is activated and genuine for more details, and TechJourney for more on SLMGR.

The Windows key can also be found in BIOS/UEFI. The tool can be downloadewd from Neosmart (registration is not required, just click dowload).

  • The current windows installations are not licensed/pirated. I need to find out if there was any genuine OEM key for any previous versions of Windows on the BIOS – Shanu Sep 18 at 4:34
  • That's exactly what I was looking for. – Shanu Sep 18 at 4:41

Open command prompt as administrator, then type "slmgr -dli" and press Enter key to check. I searched for 2 captures which contains retail and OEM. Please see below. enter image description here

enter image description here

  • I know that the current windows 10 installations are not licensed/pirated. Wanted to know if computers came with windows installed from the manufacturer. – Shanu Sep 18 at 4:33
  • As you are using Windows 10 as the OS, Windows 10 will activate itself if it was activate on this device before. So if it is a new device with OEM key installed in BIOS, we could connect to network and let it activate auto. If it is an old device and connectting with internet but keeps invaild , it might have not retail key or OEM key, because Windows activation server will recorded the hardware GUID when it first activate, and when PC connect internet again, it would activate auto. If it is an old device, and changed hardware before, we need to activate again through Microsoft support. – Joy Sep 18 at 6:11
  • You could check the link below, to check if it is available to find OEM key installed in BIOS.nextofwindows.com/… But according to your descirption, it seems that all those computers all installed with no vaild product key, even without product key. You could upload the information after run "SLMGR /DLV" – Joy Sep 18 at 6:23

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