You need the free QuickTime Player to view the videos below
If you do not have it, it is available free at:
http://www.apple.com/quicktime/download/

Right click on the video names below and choose,
"Save Link As" or "Save Target As" or "Download Linked File As"
depending on which internet browser you use.

Then, these videos will play in the free QuickTime Player from your computer.

SECOND LIFE INTRODUCTORY VIDEO TUTORIALS
These are each 5 minutes or less in duration