Download both of the .ZIP update files and transfer them to the SD card. Transfer the entire files; do not extract the files, this process will be handled by the Microlab 600 controller. Insert the SD card into the controller and then turn the instrument on. Once the controller is booted up, navigate to the Utilities screen and press the Update button. Then press Start to begin the update. Follow the instructions on the screen to complete the update.
In some cases, the update process may need to be completed twice. If the version did not update after the first attempt, please press the Update button again.