SterJo Key Finder is small tool that can recover over 500+ product keys including Windows XP to Windows 10 and Office 2013.
Is also could recover WinZip, Nero, AutoCAD, CorelDraw, Camtasia Studio, VMware and lots of old Games.

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Another advantage of this tool is recovering keys even from unbootable Windows folder or drive.

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More details about this software could be found at www.sterjosoft.com

On this website there are more than 20+ other freeware about recovering passwords, windows credentials, login details and etc.