As spotted by Rafael Rivera, Microsoft is testing animated icons in the Settings app. You can spot the new animations when clicking any of the primary sections inside the Settings app. Microsoft ...

You can find the Windows key on the left side of the spacebar (it's next to the Alt key and has the Windows logo on it). Once you're in the Settings app, you can select System from the left ...

Press the Windows logo on your keyboard ... many functions of the Task Manager have been replaced by the Settings app. You can find the Settings app by selecting it in the Quick Access menu ...