VK-8 Updates & Drivers VK-8 System Update Version 2.0 (PC- SMF) This is the latest update for the VK-8. Please refer to the readme.pdf document for the update procedure. VK-8 System Update Version 2.0 (MAC- SMF) This is the latest update for the VK-8. Please refer to the readme.pdf 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 Mac OS X v10.7 / OS X v10.8 / OS X v10.9 About the UpdSMF UpdSMF is a simple SMF player that runs on Mac OS X v10.7 / OS X v10.8 / OS X v10.9. This SMF player is designed to be used only for updating, and cannot be used to play back conventional SMF music data. Before using this, you must first install a MIDI driver so that MIDI data can be transmitted. For the installation procedure, refer to the documentation for your driver or application. SMF Player for Windows