Manage updates with the Download AppGatekeeper keeps you safe
13 of 15 from Mac OS X Mountain Lion (pictures)
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With Gatekeeper you can set up what level of security you want for downloads. Choosing the Mac App Store only option is the safest, while choosing Anywhere will mean you'll have to be especially careful.
July 25, 2012 5:31 AM PDT
Photo by: Screenshot by Jason Parker/CNET
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