can't install because it is from an unidentified developor but I can't get CS5 from Adobe or Apple

Question

My new apple laptop doesn't have a DVD or CD drive so I am unable to use my Photoshop CS5 software again, but it has only been licensed once. I downloaded the Software and it won't install because it says "its from an unidentified developer" but apple or Adobe doesn't sell it. what can i do?

please help!

Ned Murphy · Answer

It is not clear where you tried to download from, but Adobe provides CS5 downloads thru the following page: Download CS5 products

As far as the unidentified developer goes, see the following...

Mac Unidentified Developer Issue
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Here's how to open apps that apple should not be blocking:
http://www.imore.com/how-open-apps-unidentified-developer-os-x-mountain-lion

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