Device ID can be found in your workbench. Please open the Creality Cloud app, navigate to Workbench and copy the ID on your device card. Step 1: Bind your device to Creality Cloud. Below is the video on How to Find the QR Code and Bind Your 3D Printer.Step 2: Click on the three dots on the top right of the workbench, find "Device Settings"Step 3: Copy the ID in the "Device Information" and then redeem your 1-year premium membership.