New Mac owners don't often know things about their computers that might prove otherwise helpful, like exactly what model they have (is your iMac the early-, mid- or late-2009 version, for example) or how much RAM they have installed. Luckily, OS X Lion organizes that info in a slightly better way, and there are also web and app-based tools to help learn all the intimate details regarding their machines.

Lion's system information

Right in your computer's Apple menu (under ), the first item in fact, is the "About This Mac" utility. Clicking on it will bring up a small window that prominently says which version of Mac OS X you're running, which processor your system has, how much RAM, and the name of the startup disk (the drive the computer boots from). There are two clickable buttons in this window: one takes you to Software Update, and the other, which we'll be using, is labelled "More Info…" and takes you to the System Information app.

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