Unable to open Lightroom 6 download purchased through B&H Photo -- "can't be opened because the identity of the developer cannot be confirmed". Have Lightroom 5 on my IMac computer. Thanks
That's the Apple OS X Gatekeeper feature kicking in to protect your computer from malicious software.
Right click on the file and choose open from the menu to bypass Gatekeeper.
How to open apps from an unidentified developer in OS X Mountain Lion | iMore (applies to OS X Yosemite too)
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