1. Tap the Start icon or Windows button.
   
2. To backup your device, tap Settings.
   
3. Tap Update & security.
   
4. Tap Backup.
   
5. Tap Add a drive.
   Note: You must have a hard drive plugged and connected with the device. 
   
6. Select Drive.
   
7. Tap the Automaticlaly backup my files toggle to turn on or off.