How can I find my Windows 10 or 11 Product key?

Find your Windows 10 or Windows 11 product key with this easy trick:

  1. Press WIN + R, type CMD and press enter. Command prompt will open.
  2. Type (or copy/paste): wmic path softwareLicensingService get OA3xOriginalProductKey
  3. Press enter. You will now see your Windows License key

But wait, you may have a second, different Windows product key (!)

You can also find your key with the Registry Editor. However, the weird thing is, this key may differ from the previous one(!)

  1. Press WIN + R, type REGEDIT and press enter. The Registry Editor will open.
  2. Navigate to (or copy/paste the address): Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform
  3. Next to the “BackupProductKeyDefault” key, you will see your Windows License Key.

Why do I have 2 Windows license keys?

If one has 2 different Windows product keys on a machine; this is (most likely) If you upgraded a former Windows 10 license to Windows 11. From what I can tell, the first key (which I got through the CMD command) is the current one, and the one from the registry editor is probably the old/original one.

Why? Well, if you open (WIN+R and type) CMD again, enter slmgr /dli and press enter. A dialog box should pop-up. Mine said:

As you can see, the WFG3R matches with the last part of my key, so two out of three wins I guess. But I suppose it’s always a good idea to keep both at hand when you want to do a fresh install, upgrade to an updated version or need to recover from a crash.

I hope this helped you, and if anyone can verify if my theory is correct, I’d be very grateful in the comments!

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