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Find out the serial number (product key) for Windows XP/Vista/7 and Office 2003/2007/2010.

Updated: April 14, 2022
Published: February 1, 2011
Quick overview:

The following question is - quite rightly - one of the most frequent support requests:

"I want to reinstall Windows: How do I find my serial number for XP/Vista/7 and Office 2003/2007/2010?"

When reinstalling or moving, there is hardly anything more annoying than searching for serial numbers. Windows-Tweaks shows you how to display and securely store Windows and Office product keys in no time at all. This is how it works:

1. Click on the link here to download WinKeyFinder 1.74 (Beta) to your hard disk. Unzip the file and double-click on the "WinKeyFinder174.exe" contained in the archive.

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2. The Windows product key is displayed under "Windows XP, Vista, 7". In the example:

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3. When you click on "MS Office", you should also see the key for your Office edition. This worked perfectly for the 2003 and 2007 versions in the test, but not without exception for Office 2010 on all test devices.

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Do you see this message for Office 2010? Then you have two options: You wait until this problem has been solved in WinKeyFinder or you use the - unfortunately somewhat more complex - LicenseCrawler 1.2. If you have opted for LicenseCrawler, proceed as follows:

1. after starting the program, you must first click on "Search" and hide the advertising message that appears. Like this:

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2. The Office 2010 serial number is then displayed in the following section:

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Pay attention to the keywords "Office14.0" in the first line. Under "Serial Number" you can copy and paste the serial number!

Looking forward to your feedback!

Founded Windows Tweaks as a teenager in 2001, his helpful PC tricks made it Germany's most visited Windows site (at the time Sandro looked like this). He then went on to write for international publications such as PC-Praxis, Computerbild, PCWorld in the USA, IMTEST.de and Hifi.de. Sandro's main job is as Global Product Marketing Lead and Consultant for various global tech companies, including Microsoft, AVG, Avast, Nero, TeamViewer, Swiss IT Security Group and now currently in the fintech sector for Gendigital. But he can't get rid of his passion and shares his tweaks here again. Privately, he enjoys traveling the world and loves Asia, especially Japan, Singapore and Korea, but also natural places like Iceland and the Nordics. You can reach Sandro via e-mail.

2 comments on: Finding the serial number (product key) for Windows XP/Vista/7 and Office 2003/2007/2010.

  1. Hello,

    I recently tested a similar tool. It's called Recover Keys. It finds over 3000 program product keys/serial numbers (including all Windows versions) and can also search entire networks. So a little more comprehensive.
    I find the tools very helpful. Not only can you find out a serial number, you can also make a backup of all existing serial numbers (which the program also knows). That can save your butt 😉

    Best regards
    Gordon

Leave a Reply to Gordon Cancel reply

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