IBM licensed and re-released it in 1981 as PC DOS 1.0 for use in its PCs. MS-DOS was the main operating system for IBM PC compatibles during the 1980s, from which point it was gradually superseded by operating systems offering a graphical user interface (GUI), in various generations of the graphical Microsoft Windows operating system. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred to as 'DOS' (which is also the generic acronym for disk operating system). MS-DOS ( / ˌ ɛ m ˌ ɛ s ˈ d ɒ s/ em-es- DOSS acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. If you have multiple internal hard drives, you can select a different hard drive from the one running macOS and create a single partition on that drive to use solely for Windows.MS-DOS versions 1x-7.0 unsupported as of Decem MS-DOS versions 7.10 and 8.0 unsupported as of July 11, 2006. This process may take a long time to complete (you can click the Stop button to interrupt this process).Īt the Create a Partition for Windows step, specify a partition size by dragging the divider between the macOS and Windows partitions. The Windows files are copied to the USB drive.

This process may take a long time to complete (you can click the Stop button to skip this process).Īt the Select Tasks step, select all the tasks, then click Continue.Īt the Create Bootable USB Drive for Windows Installation step, choose the Windows ISO image and the USB drive, then click Continue. Older Time Machine snapshots and cached iCloud files are removed to make space for Boot Camp. The system is checked for total available disk space. On your Mac, open Boot Camp Assistant, located in /Applications/Utilities.Īt the introduction screen, click Continue. Important: If you’re using a Mac notebook computer, connect it to a power source before continuing.Ĭonnect an external USB drive or insert a flash drive into the USB port on your Mac keep it connected or inserted while you install Windows and the Windows support software.

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