Dragon Naturally Speaking 12 is NOT APPLE MAC compatible as It's designed for Windows based PCs only.
BUT Dragon Dictate Mac is mac compatible and uses Dragon 11 technology.

System Requirements
The install process checks that your system meets the minimum requirements; if they are not met, Dragon NaturallySpeaking will not be installed.
CPU: We recommend 2.2 GHz Intel® dual core or equivalent AMD processor. (Minimum 1 GHz Intel® Pentium® or equivalent AMD processor or 1.66 GHz Intel® Atom® processor).
NOTE: Faster processors yield faster performance. (IMPORTANT: SSE2 instruction set is required) -
Processor Cache: We recommend 2 MB L2 cache. (Minimum: 512 KB L2 cache)
Free hard disk space: 3.2 GB (4 GB for localized non-English versions)

Supported Operating Systems: · Microsoft Windows 7 and higher, 32-bit and 64-bit · Microsoft Windows Vista SP2, 32-bit and 64-bit · Microsoft Windows XP SP3, 32-bit only · Windows Server 2008 SP1, SP2 and R2, 32-bit and 64-bit - RAM:We recommend 2 GB for Windows XP, Windows Vista, Windows 7, and Windows Server 2008 32-bit, 4 GB for Windows 7 and Windows Server 2008 64-bit. (Minimum: 1 GB for Windows XP and Windows Vista and 2 GB for Windows 7 and Windows Server 2008.) - Microsoft Internet Explorer 7 or higher for online help (free download at www.microsoft.com) - Internet Explorer 9, Firefox 12 or higher, or Google Chrome 16 or higher are required in order to experience the enhanced capabilities in Gmail and Hotmail

Sound card supporting 16-bit recording as a low minimum. Approved USB headsets are far superior and highly accurate. Recommend: High-end USB Headset - Andrea NC181USB Microphone - Best accuracy and reliability as tested by Nuance/Dragon independently.
A DVD-ROM drive for installation
Note: An Internet connection is required for automatic product activation (a quick anonymous process).

Please Note:  We cannot provide technical support/assistance to those users who have not purchased products or training from us. This is because we must commit all our technical resources to assisting voicerecognition.com.au customers. Please contact your supplier if you require technical assistance, otherwise you may purchase training or telephone helpdesk assistance by contacting us.