Insert the included batteries (2 AAA) into the dock by pushing the tab at the bottom of the dock in the direction of the arrow and lifting. Ensure the batteries are inserted correctly (+/-).
Place the thermometer securely in the dock and allow it to charge for 30 mins before first use (no lights will come on when charging).
While the thermometer is charging, download the free Yummly app from the Apple App Store or Google Play Store. If you already have Yummly, ensure that's it's updated to the newest version.
Once the app has downloaded: open Yummly > tap on the connected appliance icon in the bottom right corner > tap "Add Appliance" > tap "Add" > follow the on-screen instructions.