How to Install Software from Unsigned Developers on a Mac
wikihow.com

Whether it’s pro­tect­ing users from mali­cious soft­ware or sim­ply try­ing to push pur­chasers to the Mac App Store, the new Gate­keep­er fea­ture in Mac OS X Moun­tain Lion can get in the way when it comes to installing soft­ware. By default, a…

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