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Is there a way to determine from a serial Key which build/version it belongs to?

The previous admin provided a list of keys, but no indication of what OS they are for.

Specifically Win Vista and Win 7

5

https://superuser.com/questions/516581/determine-which-software-product-a-microsoft-product-key-activates

Unfortunately there isn’t. The product key sequence is according to a mathematical algorithm. The product key is a partially random, 25-character alphanumeric code, specifically designed to defeat against keygens and leaked serial numbers. The code has three (known) components:

An actual serial number
Verification data (using modular math)
A checksum (CRC) for typos

- Fergus

EDIT: However, I did stumble across this. Looks like what you are after, but I've never used it:

http://forums.mydigitallife.info/threads/20816-The-Ultimate-PID-Checker

enter image description here

The Ultimate PID Checker allows you to calculate the Product ID of given product key. Key validity will be checked also. The unique feature is reading keys from file and saving log. Performance of PID generation is checked too - time spent on generating will be printed under the result.

Features:

Generating PID from typed key/input

✔ for Windows 8/Server 2012 ✔ for Windows 7/Server 20008 R2 ✔ for Windows Vista/Server 2008 ✔ for Windows XP/Server 2003 ✔ for Office 2010 and 2013 ✔ for current system ✔ for all builds >= 6.0.5365.8

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    To be completely accurate, there isn't a way to do it that's been made public. Obviously, there's formula to determine which keys go to which edition, because Windows is able to tell you when your key doesn't match your edition. – HopelessN00b Oct 21 '14 at 13:18
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    @HopelessN00b - true. The correct answer is "contact Microsoft licensing support"...or the real world answer is that the OP now has a set of janitor's keys...when he comes to a lock try each key until one opens the door. :) – TheCleaner Oct 21 '14 at 14:28

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