To use a ctrlX OS engineering app on a physical ctrlX controller, you need the corresponding license. You can purchase the license in the ü WAGO eShop. Through the ü WAGO Download Center, in the description of the selected application, you can also find a direct link to the corresponding eShop page.
Link for Purchasing the License in the eShop (App Example: “ctrlX AUTOMATION ̶ Node-RED”)