Via Software Updater. Am installing now. Just upgraded RAM to 1Gb, and a new update - if only I had Springsteen tickets, too. Hey, I do! Blurb from Software Updater: The 10.2.6 Update delivers enhanced functionality and improved reliability for the following applications, services and technologies: Address Book, Graphics, Printing, OpenGL, and PC Card and USB hub device compatibility. For detailed information on this Update, please visit this website: http://www.info.apple.com/kbnum/n25448