Apple's Mastered for iTunes (MFiT) codec is part of the Macintosh operating system, so is only available for macOS computers. If Apple releases the codec software in a Windows-compatible format, we will incorporate it into the Windows version of the Pro-Codec.

You can approximate the MFiT codec on Windows

On Windows, the closest approximation to the iTunes Plus codec is the Fraunhofer AAC-LC codec set to highest quality VBR at 256kbps.