How to Clone an Existing Drive
macOS (formerly Mac OS X (1999-2012) or OS X (2012-2016)) is a series of graphical operating systems developed by Apple for Apple computing devices. It is the second most used desktop operating system, after Microsoft Windows.
A list of macOS versions, the supported systems on which they run, and their RAM requirements.
|Operating System||Supported Hardware||RAM Requirement|
|10.14||Officially: 64-bit Intel Macs released in 2010 (Mac Pro with Metal compatible GPU) or 2012 (all others) and later.||2 GB|
|Most 2008 and newer devices using Mojave Patcher.|
|10.12 - 10.13||Officially: 64-bit Intel Macs released in 2009 and later.|
|Most 2008 and newer devices using High Sierra or Sierra Patcher.|
|10.8 - 10.11||64-bit Intel Macs released in 2009 (Xserve), 2007 (Prosumer and iMac), or 2008 (all others) and later.|
|10.7||64-bit Intel Macs.|
|10.6||Intel Macs.||1 GB|
|10.5||G4, G5 and Intel Macs at 867 MHz or faster.||512 MB|
|10.4||Macs with FireWire and a New World ROM or Intel processor.||256 MB|
|10.3||Macs with a New World ROM.||128 MB|
|10.0 - 10.2||G3, G4 and G5 iBook and PowerBook, Power Mac and iMac (except PowerBook G3 "Kanga")|