Once the task is complete, enter the Task ID: sw-active
Your next challenge is to get that new Service Worker active. That means closing all the windows that are using the current Service Worker or navigating those windows to a page that isn't in the Service Workers scope.
Take a look at the Application tab in Chrome's developer tools again and select Service Workers. At this point, you should see an active Service Worker and no longer see a Service Worker in the waiting position.