Please use following firmware of YVC-300:Ver.1.08 or later Caution Windows 10 (32 bit/64 bit), Windows 8.1 (32 bit/64 bit), Windows 7 (32 bit/64 bit) Required System Users have to execute the software at own risk and Yamaha will not be responsible for any kind of loss. This 'Software' is for changing the Bluetooth® device name of YVC products displayed on smartphone or tablet via Bluetooth®.