Considering buying a mid 2011 Mini i5 OSX 10.7.5 (16GB) to run Lightroom 6/CC and Photoshop CC. They require 64 bit systems. My Air (4GB) doesn't have enough RAM to run efficiently. Will the Mini boot in 64 bit as is, will I need to hold down 6 + 4 during start up, or do I need to upgrade to Yosemite?

  • Everything from a Core 2 Duo upwards is 64bit, so you can certainly download the 64bit no problem. – Ruskes May 14 '15 at 21:19

If you run this simple command in Terminal it will show you


Even more direct method is to use the:

sysctl hw.cpu64bit_capable

It will return 1=Yes, or 0 = no

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