The MC-200 comes updated with the latest software, to verify it is up to date, go into menu, scroll down to VERSION and check to see that the MC-200 is on MCU V3.6 If you need to update simply click the download button below, download the update file and unzip the file inside to a USB Thumb Drive. Once loaded to your thumb drive power on your MC-200 and insert the drive to the USB dongle, The MC-200 will begin the update, once complete the screen will go dark, immediately remove the USB Drive and the update is complete.