You could either search the Windows registry, which stores serial numbers, or follow this tutorial to look up your lost serial keys. Should you find that you have lost the keys for some of your software, chances are you can recover the serial numbers or key codes. This is a service not provided by other regular serial key finder software. The other two options allow you to recover software serial keys from external hard drive or remote network computers.

If you’ve chosen the first option, the program will automatically search the Windows registry on your local computer, and then decrypt and find your Windows serial keys and serial numbers of other software installed on your local computer. Click on “Start Recovery” button, it will display a list of recovery options: Simply download and install Product Key Finder on your computer. Just a few mouse clicks and it will find compatible software installed on your PC and decrypt the keys for you. It’s a small utility, super fast, and easy to use. Product Key Finder is the perfect tool to recover Microsoft serial numbers or registration keys besides other Windows software. How to Recover Lost Software Serial Numbers Using Serial Key Finder? Product Key Finder is the best serial key finder software which allows you to recover lost serial numbers for Windows, Microsoft Office and many other software. Luckily, there is a simple solution to grab your license key from the Windows registry. See the GNU General Public License for more details.Have you ever lost a software serial number or key code? Misplacing a serial key is one of the common issues for computer users. Just with one click, product keys are found. It can work with any computer, even if the computer isnt booted up or the hard disk is crashed. KeyFinder is licensed under the GPL version 3, and is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Product Key Finder is an integrated and powerful product key recovery tool to recover CD keys or serial numbers for Windows, Office, Visual Studio, IE, MS SQL Server, VMWare, Adobe and other softwares installed on your computer. Please contact me if you have any questions, or if you want to get involved.

The algorithms, design and implementation are described in some detail in my project report, which you can download, though it's a bit heavy going. I originally developed KeyFinder in 2011 as part of my MSc in Computer Science. I don't claim that KeyFinder is better than other key estimation software, but it shows that the algorithm is in the same league as even the best paid alternatives. Here's a comparison with some other packages. The accuracy of the algorithm is pretty good. It supports a huge range of codecs thanks to LibAV, and writes to metadata tags using TagLib. It's intended to be very focused: no library management, no track suggestions, no media player. KeyFinder is an open source key detection tool, for DJs interested in harmonic and tonal mixing.

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