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By using patch tools, macOS Monterey can be unofficially installed on earlier computers that are officially unsupported, such as the 2014 iMac and the 2013 MacBook Pro. [30] Using these methods, it is possible to install macOS Monterey on computers as old as a 2008 MacBook Pro and iMac and 2009 Mac Mini. [31]
Developer Transition Kit (only up to Big Sur 11.3 beta 2 [12]) By using patch tools, macOS Big Sur can be installed on earlier computers that are officially unsupported, such as the 2012 iMac and the 2012 MacBook Pro. [13] Using these methods, it is possible to install macOS Big Sur on computers as old as a 2008 MacBook Pro and iMac and 2009 ...
The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
The MacBook is thinner than its predecessor, the iBook G4, but it is wider than the 12-inch model, and has a widescreen display. The MacBook was one of Apple's first laptops to adopt the MagSafe power connector (the first being the MacBook Pro), and it replaced the iBook's mini-VGA display port with a mini-DVI display port.
The Verge stated that OS X Mavericks was "a gentle evolution of the Mac operating system". [60] CNET generalized OS X Mavericks as a "solid foundation" to OS X, lacking new features but praised it as a free update that incorporates additional iOS features. [61] Criticism was brought to the insufficient updates to existing applications. [61]
Since the Old World ROM usually boots to Toolbox, most OSs have to be installed using a boot loader from inside Mac OS (BootX is commonly used for Linux installations). 68K-based Macs and NuBus Power Macs must have Mac OS installed to load another OS (even A/UX, which was an Apple product), usually with virtual memory turned off.
Note that most old programs can still be run using emulators, such as SheepShaver, vMac, or Basilisk II. For a list of current programs, see List of Mac software . Third-party databases include VersionTracker , MacUpdate and iUseThis .
Mac OS X 10.7.1 was the last version of Mac OS X released under CEO Steve Jobs. 10.7.2 and later were released under CEO Tim Cook. 10.7.5 added Gatekeeper. [ 14 ] Lion is the first version of macOS that did not support 32-bit processors and is also the final release whose development was overseen by Bertrand Serlet , considered to be the ...