The Music Software Downloader (MSD) can be downloaded for free at http://www.yamahamusicsoft.com/en/msd_download/download
NOTE: MSD is only compatible with Windows.
For operating instructions, start the program and look in the Help menu. Operating System Requirements Windows(R) 98SE/Me/2000/XP/Vista/7.
NOTE: XP and Vista 32 bit versions are supported, the 64 bit versions are not.
Do you need an additional help?