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So someone trolled me and made me run "slmgr.vbs /upk" in command prompt. Now my product key is uninstalled. I just borrowed this laptop and the owner of this laptop doesn't know much about what is windows activating things. So i tried System restore, doesn't work. There's a product key below the laptop and I tried using that but it says "The product key you have entered will not work on this edition of windows 7". Is there anyway I can recover and restore the activation key?

shunz19
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1 Answers1

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There's a chance the key is also in the Registry.

  • Press the Windows key and type regedit.
  • Select Regedit and press AltY in the UAC dialog.
  • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Win7 (or copy that path into the Search bar and press Enter).
  • Double-click on the Value ProductKey.

Windows 7 Product Key in Registry

You might also try a third-party tool such as free Nirsoft's ProduKey.

If all else fails, you can buy the license from Microsoft. Or install another OS such as Linux, e.g.free Ubuntu.

DrMoishe Pippik
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