A product key is used to identify the rightful owner of a piece of software. By having the serial number or license number at hand, Microsoft can verify that you actually purchased the program. Although software can be copied, the product key remains unique and can only be used for a single matching version of the software. This holds true for Windows 8 and many other operating systems and software. If you purchase a physical version of your operating system, the license product key is usually located on the back of the box. However, if you lose the product key, finding it may prove a challenge.
LicenseCrawler is free for private users. However, companies must purchase a license. This small program scans the entire system and then lists the serial numbers for all applications. The tool allows you to find the product keys for other programs too. Its output is in the form of a simple text file which can be directly encrypted to protect sensitive information.
In the diagram below, a command in Powershell lists some values regarding the above two USB devices. Clearly, what we have been calling the serial number does not conflate with what the identification in Powershell calls a serial number. 2b1af7f3a8