Yamaha CA Singapore - MTX-MRX Editor V2.2.1 for Win10/8.1/7 and firmware V2.20 Win 10 is now compatible to work with Yamaha MTX-MRX Editor V2.2.1 http://www.yamahaproaudio.com/global/en/downloads/firmware_software/mtx_editor/mtx_mrx_edit_frm_latest.jsp ...