These videos are for people who have difficulty using typical mouse input devices. 

Command and control: 

If a user needs to use voice for command-and-control, this is a great video explaining this feature in good detail.

https://youtu.be/dwi1ilOEyec

Finding and Opening files

https://youtu.be/dVOKsV6w4SI

Control your Desktop by Voice

https://www.youtube.com/watch?v=24ihD1dCK70&feature=youtu.be