• Hold F1 for a few seconds
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  • Make sure you are trying to access from a main  screen (non-sharing or filtering screen)
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  • If your F1 key is not enabled follow the steps  below.  (See screen shots)   
    1. Open PC Settings
      2.    
    2. PC and Devices
      3.    
    3. Typing
      4.    
    4. Add the standard keyboard layout as a touch  keyboard options
      5.    
    5. Click the keyboard in the quick access icons  near the time and select the full keyboard option.