Boot Camp (software)

Boot Camp Assistant is a multi boot utility included with Apple Inc.'s macOS (previously ) that assists users in installing Microsoft Windows operating systems on Intel-based Macintosh computers. The utility guides users through non-destructive disk partitioning (including resizing of an existing HFS+ or APFS partition, if necessary) of their hard disk drive or solid state drive and installation of Windows device drivers for the Apple hardware. The utility also installs a Windows Control Panel applet for selecting the default boot operating system.
Initially introduced as an unsupported beta for Mac OS X 10.4 Tiger, the utility was first introduced with Mac OS X 10.5 Leopard and has been included in subsequent versions of the operating system ever since. Previous versions of Boot Camp supported Windows XP and Windows Vista. Boot Camp 4.0 for Mac OS X 10.6 Snow Leopard version 10.6.6 up to Mac OS X 10.8 Mountain Lion version 10.8.2 only supported Windows 7. However, with the release of Boot Camp 5.0 for Mac OS X 10.8 Mountain Lion in version 10.8.3, only 64-bit versions of Windows 7 and Windows 8 are officially supported.
Boot Camp 6.0 added support for Windows 10. Boot Camp 6.1, available on macOS 10.12 Sierra and later, will only accept new installations of Windows 7 and later; this requirement was upgraded to requiring Windows 10 for macOS 10.14 Mojave.
Boot Camp is currently not available on Apple silicon Macs, however, Craig Federighi has stated that there is technically nothing stopping ARM-based versions of Windows 10 from running on Apple silicon processors; Microsoft would just need to change the licensing policies regarding ARM-based Windows 10, for currently only OEMs who pre-install Windows 10 on their products may purchase licenses for it – it is not publicly available to consumers like other versions of Windows 10. It is already possible to run ARM-based Windows 10 through the QEMU emulator, furthering Federighi's statement.
Overview.
Installation.
Setting up Windows 10 on a Mac requires an ISO image of Windows 10 provided by Microsoft. Boot Camp combines Windows 10 with install scripts to load hardware drivers for the targeted Mac computer.
Boot Camp currently supports Windows 10 on a range of Macs dated mid-2012 or newer.
Startup Disk.
By default, Mac will always boot from the last-used startup disk. Holding down the option key (⌥) at startup brings up the boot manager, which allows the user to choose which operating system to start the device in. When using a non-Apple keyboard, the alt key usually performs the same action. The boot manager can also be launched by holding down the "menu" button on the Apple Remote at startup.
On older Macs, its functionality relies on BIOS emulation through EFI and a partition table information synchronization mechanism between GPT and MBR combined.
On newer Macs, Boot Camp keeps the hard disk as a GPT so that Windows is installed and booted in UEFI mode.
Requirements.
Mac OS X 10.7 Lion and OS X 10.8 Mountain Lion.
Apple's Boot Camp system requirements lists the following requirements for Mac OS X Lion and OS X Mountain Lion:
Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard.
Apple lists the following requirements for Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard:
Supported Macintosh computers with Windows 8.
Officially, the earliest Macintosh models that support Windows 8 are the mid-2011 MacBook Air, 13-inch-mid-2011 or 15 and 17-inch-mid-2010 MacBook Pro, mid-2011 Mac Mini, 21-inch-mid-2011 or 27-inch-mid-2010 iMac, and early 2009 Mac Pro. By running the Boot Camp assistant with a compatible version of Microsoft Windows setup disc in the drive and switching to a Windows 8 disc when Mac OS X reboots the machine to begin installing Windows, Windows 8 can be installed on older unsupported hardware.