Click the Apple in the top left corner, and about this mac Click More Info (System Profiler will launch) On the left hand side, under software click applications Wait for the list to load, and then click on the kind column to sort Review any applications that have PowerPC

Study the list below to become the ultimate mac user. Mac OS X Keyboard Shortcuts By using the keyboard shortcuts you can become much more productive.

When the mac is booting up, hold down the left mouse key until the CD is ejected.