Reinstall Windows 7 without product key

I bought a used laptop that has either a version retail or upgrade of Windows 7 installed (OEM product key sticker is for the original OS, Vista). I would like to reinstall, but I don't have the product key. I tried tools such as Magic Jelly Bean KeyFinder, but they are unable to produce the key.

I made a USB installation using the Windows 7 USB/DVD download tool. How can I reinstall?

If the key finder displayed BBBB-BBBB-BBBB is a volume license key. You might have to reinstall the original Windows Vista provided with the machine.

Tags: Windows

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    ----------------------------  Alternatives -------------------------------------

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    The phone number is not working:
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    J W Stuart: http://www.pagestart.com

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    http://S13.PostImage.org/57nfn5pqv/vistareg.jpg

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