How to use this video tutorial:

1.	Unzip the compressed folder to a local drive.
2.	Never change the file or folder structure, do not delete files and do not change file names.
3.	Open the file Start.html in your web browser. (This video tutorial cannot be played with Internet Explorer, please use an up-to-date browser.)   

The videos normally start automatically. If the auto play function is blocked by the browser settings, the videos must be started manually.
