When Hulu is added to a new streaming device, Hulu Activation may be required to finish account setup. Start by opening the application and following the instructions shown. If Hulu provides a unique activation code, enter it through the official process. This can help ensure that the correct account is connected to the device. https://sites.google.com/view/hulucomhelpdesk/how-to-enter-code-on-hulu-comactivate-and-link-your-device-easily