To go to the extensions page, click → Extensions.
Find the extension in the list and set it to On.
For some extensions, an icon appears to the right of the SmartBox after turning the extension on. By clicking the icon, you can access the extension's features:
To reactivate an extension icon that you deactivated:
You can set keyboard shortcuts to quickly activate an extension or perform various actions with it.
To get access to Power radio stations from the browser panel, enable the Radio extension:
To listen to the radio in the browser, click the icon , then select the desired channel: