Check the Validity of a Windows or Microsoft Key with The Ultimate PID Checker

Planning to re install your Windows or Microsoft Office Suite? This article might help you if you have some product keys but are not sure whether they will work or not. What if the key you entered after the install, doesn’t work? Well, don’t let this happen, and check beforehand if they key is valid to use or not.

Here is a tool called The Ultimate PID Checker, that allows you to check the validity of the product keys from Windows or Microsoft right before installation helping you to find out if you should use that key to install or not.


The tool is very simple to use and doesn’t need any installation. Just download and run the utility, even from a removable drive. You just need to copy the key, or can get it identified from the some software, and paste in the tool and click the Go button. The tool will present the result to you in the space below with lots and lots of details as you can see from the screenshot above.

The Ultimate PID Checker allows you to calculate Windows 8 / Server 2012, Windows 7 / Server 2008 R2, Windows Vista / Server 2008, Windows XP / Server 2003 and MS Office 2010 Product IDs from given keys. It can read the keys from text file and allows you to extend its functionality by loading custom pkeyconfig.

If you think, it might be useful to you then here is the link to try it out.

Download The Ultimate PID Checker

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