Information about the version of your appliance and its software is available under "Thermomix Version & Update" in your Thermomix Menu Settings. Your TM6 receives a new update automatically when deployed. You can also actively search for updates.
INSTALLING UPDATES
If an update is available, you will be notified by your Thermomix and can select "Install update".
The Thermomix® TM6 may switch itself off and on again several times during the update.
Do not disconnect the Thermomix® TM6 while the update is being downloaded and installed.