Below is a list of tutorials that may be helpful in using video editing software, audio software, and screen shot software.
Lightworks Basics Tutorial
This tutorial is best for someone with some video editing knowledge. It gives the basic tips and tricks to be able to use Lightworks.
Lightworks for Beginners
This video shows the basics of Lightworks for beginners.
Movie Maker Tutorial
This Movie Maker Tutorial offers a tutorial on how to use and edit videos using this free software.
Audacity Tutorial
This Audacity tutorial is for beginners and offers an introduction to the interface, how to record a clip, and other settings.
Ardour Tutorial
This tutorial is a very brief and simple tutorial on how to use Ardour.