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Things are better now, so if the holdup has been fear of making things worse, it’s unfounded.At this point if you’re still running OS X Lion without a truly compelling reason (and I’m not even sure what one is since Mavericks system compatibility is generally the same), you’re subjecting yourself to unnecessarily frustrating experiences that have since been ironed out in newer releases of OS X. No Mavericks is not perfect, but it’s much better than Lion. Mountain Lion is stable and fairly refined, resolving most of the complaints users had with Lion.This is important because you can roll back if needed, or can recover your files if something goes wrong.Never initiate a major operating system upgrade without doing a full system backup first.
For some users there are good reasons for this, maybe lingering on outdated OS X versions like Snow Leopard because of compatibility issues with a specific app, or because they just really like it.But before you hit the download button, there are a few things you might want to know about Mavericks and your own machine.First, you'll want to check that your Mac or Mac Book is actually compatible.Chances are that it is, since Apple seems to be trying to make it as widely available as possible.Still, Apple's official list of machines that can run Mavericks is as follows: i Macs bought as far back as mid-2007; Mac Books as old as the late 2008 aluminum model or newer; Mac Book Pro models from mid- to late 2007 or newer; Mac Book Air models from late 2008 or newer; Mac Mini models from early 2009 or newer; Mac Pro from early 2008 or newer; and Xserve from early 2009.
Now pick your head up and get started with the backup. Or you can use an Apple feature called "Time Capsule." To find it, go to "System Preferences" and then click on "Time Machine." From there, choose "Select Disk" and then pick your Time Capsule from the list.