RD-700 Actualizaciones y Drivers RD-700 Operating system Version 1.07 (MAC) This is the latest operating system available for the RD-700 Digital Piano. Please look at the Readme file for information on how to install the operating system. RD-700 Operating system Version 1.07 (PC) This is the latest operating system for the RD-700 Digital Piano. Please look at the readme file for information on how to install the operating system.