These machines used Extensible Firmware Interface (EFI) platform firmware instead of the older style BIOS found on most x86 motherboards at the time. On January 10, 2006, Apple released Mac OS X 10.4.4 with the first generation of Intel-based Macs, the iMac and the MacBook Pro. Efforts immediately began to attempt to run Mac OS X on non-Apple hardware, but developers quickly found themselves with an error message saying that the PC hardware configurations were not supported. On June 6, 2005, Apple announced its plans to transition to Intel x86 processors at their Worldwide Developers Conference and made available a prototype Intel-based Mac to selected developers at a cost of $999 (equivalent to $1,500 in 2022). Ĭommercial circumvention of the methods Apple uses to prevent macOS from being installed on non-Apple hardware is restricted in the United States under the Digital Millennium Copyright Act (DMCA), but specific changes to the law regarding the concept of jailbreaking have placed circumvention methods like these into a legal grey area. This will eventually end the ability for users to install new versions of macOS on Intel-based hardware. The company has said it will eventually stop supporting the x86_64 architecture. In 2020, Apple began to move to ARM64-based Apple silicon processors. Since 2005, many Mac computers have used the same x86-64 computer architecture as many other desktop PCs, laptops, and servers, meaning that in principle, the code making up macOS systems and software can be run on alternative platforms with minimal compatibility issues. "Hackintoshing" began as a result of Apple's 2005 transition to Intel processors, away from PowerPC. Notably, companies such as Psystar have attempted to release products using macOS on non-Apple machines, though many Hackintosh systems are designed solely by macOS enthusiasts of various hacking forums and communities. Īpple's software license for macOS only permits the software's use on computers that are "Apple-branded." However, because many still-supported Macintosh computers use Intel-based hardware, it is often possible to run the software on other Intel-based PCs, with only a few technical hurdles. Hackintosh laptops are sometimes referred to as "Hackbooks". macOS can also be run on several non-Apple virtualization platforms, although such systems are not usually described as Hackintoshes. Benefits of "Hackintoshing" can include cost (older, cheaper or commodity hardware), ease of repair and piecemeal upgrade, and freedom to use customized choices of components that are not available (or not available together) in the branded Apple products. This can also include running Macintosh software on hardware it is not originally authorized for. Non-Apple computer running macOS A Hackintosh running OS X YosemiteĪ Hackintosh ( / ˈ h æ k ɪ n t ɒ ʃ/, a portmanteau of " Hack" and " Macintosh") is a computer that runs Apple's Macintosh operating system macOS on computer hardware that is not authorized for the purpose by Apple.
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