On this page, you will find handy tutorials in the form of "ScreenCasts." I have produced these QuickTime ScreenCasts to teach you a number of Macintosh concepts and application techniques and tips.

Click on the links to view the ScreenCasts. Please contact me for any comments, suggestions or to report problems with viewing or downloading the files.
A Quick Way to Change Desktop Icons
Ever wonder how to assign an icon to a folder or file? You can easily do it in the Finder! A hidden gem.
How to Determine Your Mac's Serial Number and Designation
When you purchase RAM and other parts for your Mac, it helps to know the serial number and the official Apple model designation of your machine. This 5-minute screencast will help!
System Preferences - Part 1
In this lesson, we cover the APPEARANCE and DESKTOP & SCREEN SAVER system preferences.
Acosta Tutorial No. 2 -- September 1, 2008
This is an introduction to upcoming lessons which will be more generic in nature.
Acosta Tutorial No. 1 -- July 13, 2008
Learn the "About This Mac" Window and System Updates