Check out this informative video tutorial from Apple on how to get familiar with a Mac in comparison to a PC. If you're used to working on a PC, this video will show you some of the basic differences between using a PC and a Mac. Once you get to know the fundamentals, you'll find that it doesn't take long to get familiar with the Mac.
See how to use the Finder, the Dock, switch between applications, use the right-click mouse, and open and close files.
Mac OS X is the world's most advanced operating system. Built on a rock-solid UNIX foundation and designed to be simple and intuitive, it's what makes the Mac innovative, highly secure, compatible, and easy to use. Quite simply there is nothing else like it.