1. The Power key locks the device screen, and is used to power the device off and on.
   
2. The Camera key activates the camera, and can be used to take a picture or record video.
   
3. Press the Volume keys to adjust device volume.
   
4. Press the Back key to return to the previous screen. Press and hold to view currently running applications.
   
5. Press the Windows key to return to the Start menu.
   
6. Press the Search key to activate Cortana.
   Note: Cortana enables intelligent voice searching and voice commands on your device. You can also use the touchscreen to enter a search term.