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Does anyone know of a tool for Windows 8 that works and gets the product key that was used to activate Windows 8?

Bonus points for an updated algorithm to extract the product key from the registry key.

While I realize this question has been asked for other versions of Windows, it looks like like many of the older activation key detection tools do not work with Windows 8. Most seem to return strings of the right form (e.g. 5 x 5 characters) but they do not match the actual product key.

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As most of Windows 8 product keys will be digital, can't you look at the email that was sent, or this more of a placeholder question? –  Ramhound Oct 29 '12 at 21:26
    
@Ramhound sure, if I have that email . . . but plenty of cases where I won't have that, e.g. working on a friend's system, lost email, system with Windows pre-installed, computer lab with dozens of systems, etc –  ernie Oct 29 '12 at 21:47
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4 Answers

up vote 3 down vote accepted

Recover-Keys seems to be updated to work with Windows 8. It has always been my go to Utility for recovering Product keys.

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On a test system that doesn't have a key, the demo is returning the start of a key (first 4 characters as it's a demo), which suggests it's not working. I'll try on a registered system momentarily . . . –  ernie Oct 29 '12 at 20:37
    
Even if it is unregistered, they registry key that contains it still has information contained. it just may or may not be legit information (placeholder key rather than a real one) –  Jared Tritsch Oct 29 '12 at 20:38
    
Looks like that may be the case, as Windows is reporting info for the current product key as well on a system that hasn't been activated. Recover-Kyes demo was able to determine the first 4 characters on an activated system. I'm going to leave this open for a bit to see if there are any other options (ideally free), and if anyone has a link to an updated algorithm. –  ernie Oct 29 '12 at 20:43
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A utility has been released over at mydigitallife.info for this purpose

Windows 8 Product Key Viewer works for both version of Windows as 32-bit and 64-bit and it can

Decodes Windows Product Keys.
Decodes product keys with N character.

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+1 works perfectly! –  avirk Nov 28 '12 at 2:02
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Yes there is another program SterJo Key Finder not only for Windows 8, but also can recover the new Office 2013 key

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I have been using this for years http://www.nirsoft.net/utils/product_cd_key_viewer.html

Works with win 8.

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protected by slhck Aug 24 '13 at 16:12

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