Apple MacOS

Code Name	Release Date	Latest OS Version	Supported Models	Tech Specs
MacOS - Big Sur	Autumn 2020	11	MacBook introduced in 2015 or later MacBook Air introduced in 2013 or later MacBook Pro introduced in Late 2013 or later Mac mini introduced in 2014 or later iMac introduced in 2014 or later iMac Pro introduced in 2017 or later Mac Pro introduced in 2013 or Later	MacOS - Beta Big Sur Features
MacOS - Catalina	7 October 2019	10.15.6	If you're using one of these computers with OS X Mavericks or later* you can install macOS Catalina Your Mac also needs at least 4GB of memory and 12.5GB of available storage space or, up to 18.5 GB of available storage space, when upgrading from OS X Yosemite or Earlier. MacBook introduced in 2015 or later MacBook Air introduced in 2012 or later MacBook Pro introduced in 2012 or later Mac mini introduced in 2012 or later iMac introduced in 2012 or later iMac Pro (all models) Mac Pro introduced in 2013 or Later	MacOS - Catalina Tech Spec's
MacOS - Mojave	24 September 2018	10.14.6	You can upgrade to macOS Mojave from OS X Mountain Lion or later on any of the following Mac models Your Mac also needs at least 2GB of memory 18.5 GB of available storage space. MacBook introduced in 2015 or later MacBook Air introduced in 2012 or later MacBook Pro introduced in 2012 or later Mac mini introduced in 2012 or later iMac introduced in 2012 or later iMac Pro (all models) Mac Pro introduced in 2013, plus mid-2010 or mid-2012 models with a recommended Metal-capable graphics card.	MacOS - Mojave Tech Spec's
MacOS - High Sierra	25 September 2017	10.13.6	You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models Your Mac also needs at least 2GB of memory 14.3 GB of available storage space. MacBook introduced in late 2009 or later MacBook Air introduced in late 2010 or later MacBook Pro introduced in mid 2010 or later Mac mini introduced in mid 2010 or later iMac introduced in late 2009 or later Mac Pro introduced in mid 2010 or later	MacOS - High Sierra Tech Spec's
MacOS - Sierra	20 September 2016	10.12.6	Your Mac also needs at least 2GB of memory 8.8GB of available storage space. MacBook introduced in late 2009 or later MacBook Air introduced in late 2010 or later MacBook Pro introduced in mid 2010 or later Mac mini introduced in late 2010 or later iMac introduced in late 2009 or later Mac Pro introduced in mid 2010 or later	MacOS - Sierra Tech Spec's
OS X El Capitan	30 September 2015	10.11.6	Your Mac also needs at least 2GB of memory 8GB of available storage space. MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008) MacBook Air introduced in late 2008 or later MacBook Pro introduced in mid 2007 or later Mac mini introduced in early 2009 or later iMac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009	OS X El Capitan Tech Spec's
OS X Yosemite	16 October 16 2014	10.10.5	Your Mac also needs at least 2GB of memory 8GB of available storage space. MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008) MacBook Air introduced in late 2008 or later MacBook Pro introduced in mid 2007 or later Mac mini introduced in early 2009 or later iMac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009	OS X Yosemite Tech Spec's
OS X Mavericks	22 October 2013	10.9.5	iMac (Mid 2007 or newer) MacBook (Late 2008 Aluminum, or Early 2009 or newer) MacBook Pro (Mid/Late 2007 or newer) Xserve (Early 2009) MacBook Air (Late 2008 or newer) Mac mini (Early 2009 or newer) Mac Pro (Early 2008 or newer)	OS X Mavericks Tech Spec's
OS X Mountain Lion	July 25, 2012	10.8.5	iMac (Mid 2007 or newer) MacBook (Late 2008 Aluminum, or Early 2009 or newer) MacBook Pro (Mid/Late 2007 or newer) Xserve (Early 2009) MacBook Air (Late 2008 or newer) Mac mini (Early 2009 or newer) Mac Pro (Early 2008 or newer)	OS X Mountain Lion Tech Spec's
OS X Lion	July 20, 2011	10.7.5	Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor 2GB of memory OS X v10.6.6 or later (v10.6.8 recommended) 7GB of available space	OS X Lion Tech Spec's
Mac OS X Snow Leopard	August 28, 2009	10.6.8	Mac computer with an Intel processor 1GB of memory 5GB of available disk space DVD drive for installation	OS X Snow Leopart Tech Spec's
Mac OS X Leopard	October 26, 2007	10.5.8	Mac computer with an Intel, PowerPC G5, or PowerPC G4 (867MHz or faster) processor 512MB of memory DVD drive for installation 9GB of available disk space	OS X Snow Leopart Tech Spec's
Mac OS X Tiger	April 29, 2005	10.4.11		OS X Tiger Update
Mac OS X Panther	October 24, 2003	10.3.9		N/A
Mac OS X Jaguar	August 23, 2002	10.2.8		N/A
Mac OS X Puma	September 25, 2001	10.1.5		N/A
Mac OS X Cheetah	March 24, 2001	10.0.4		N/A