To backup your data, you’ll need an external hard drive with at least the same amount of storage as your hard drive (or a Time Capsule). In this post, we’ll take you through the steps required to protect your data by backing it up, upgrading the OS, and getting started with the latest version of OS X.īefore you get started, you’ll want to make sure you have everything you need. Apple’s latest desktop operating system, OS X Mavericks, is available today.