How to Activate Your Cook-key® and 6 Month Membership Trial Just received a new Cook-key® and are ready to activate and unlock your 6-month membership? This quick tutorial can help you get started. Click here to see tutorial Related articles What accessories are included with a Thermomix®? Get Cooking with Cook-key® in Four Easy Steps What is the Cook-Key®? How does one troubleshoot the Wi-Fi connection when the TM5 has been successfully configured but Cook-Key® cannot connect? Can I change or switch off the Thermomix® TM5 warning tone?