Once you have the DVD from Apple you can install Snow Leopard, and then via the Mac App Store, which will magically appear in your doc, you will be able to download the new version of OS X, Mavericks.

Today, March 24, 2021, marks 20 years since Mac OS X went on sale, and Apple's Mac software has gone through many changes over the course of the last two decades, but it was with Mac OS X that ...