New year, new resolutions. If "take better care of my Mac" was on your list of things to do, here are some practical tips to make that happen. I've split this list up into three topics: Back up your Mac, batten down the hatches and improve your security, and clean up the crud (get rid of data you don't need).
[h=2]Back up your Mac[/h]
First thing first: Back up your Mac right away.
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