MacOS
Hardware compatibility
Tools such as XPostFacto and patches applied to the installation media have been developed by third parties to enable installation of newer versions of macOS on systems not officially supported by Apple.

MacOS

Section Title: Hardware compatibility
Table Section Text: Tools such as XPostFacto and patches applied to the installation media have been developed by third parties to enable installation of newer versions of macOS on systems not officially supported by Apple.

Operating system	Supported systems	RAM requirement

10.14	Intel Macs (64-bit) released in: 2010 (Mac Pro with compatible graphics card), 2012 (other) or later	2 GB

10.12 – 10.13	Intel Macs (64-bit) released in: 2009 (iMac and main MacBook line) or later

10.8 – 10.11	Intel Macs (64-bit) released in: 2007 (prosumer and iMac), 2008 (other consumer), 2009 (Xserve) or later

10.7	Intel Macs (64-bit) Rosetta support dropped from 10.7 and newer.

10.6	Intel Macs (32-bit or 64-bit)	1 GB

10.5	G4, G5 and Intel Macs (32-bit or 64-bit) at 867 MHz or faster Classic support dropped from 10.5 and newer.	512 MB

10.4	Macs with built-in FireWire and either 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")

Sentence(s)

Tiger requires a Mac with 256 MB and a built-in FireWire port.

final_sentence: Tiger requires a Mac with 256 MB and a built-in FireWire port.