TD-8 Updates & Drivers TD-8 System Update Version 1.10 (PC) Download this file for the PC update MIDI files for your TD-8. Please refer to the README.TXT document for the update procedure. TD-8 System Update Version 1.10 (MAC) Download this file for the PC update MIDI files for your TD-8. Please refer to the README.TXT document for the update procedure. Note to Mac Users: You will need the UPD SMF Update Application if you do not have access to a sequencer program. SMF Player for Windows