McSerialnumber for Windows - Version 1.2.1 McSerialnumber application is a cross-platform serial number generator and administration tool for developers. After registration of the McSerialnumber application you are enabled to create a decoder library to use with Microsoft Visual C++ or Microsoft Visual Studio 5 or any newer version of both. A C++ header file is included to have access to the decoder API. The distribution contains an installer to easy load or uninstall the software.