Here is how to clean install macOS High Sierra, Sierra or OS X on Mac. You can alter the Distribution file to ignore the supported platform check, see below.Ĭreating the Install OS X El Capitan.app on a mac that came with a newer OS than El Capitan.ĭownload the InstallMacOSX.dmg from Section 4 of How To Upgrade To El Capitanĭouble-click to open InstallMacOSX.dmg to Install MacOSX.pkg.Ī folder will be created on the Desktop after a while with the contents of the. Create Bootable USB for Mac on Windows 10, Mac and Windows file system is completely different, so you are not able to create bootable USB for Mac with PowerShell, CMD or Rufus.If you remembered, till MacOS sierra the Apple file system was Hackintosh, but MacOS 10.13 High Sierra has the technology of Apple Filesystem. If you want to give your Mac a fresh restart, you can perform a clean install of Mac OS.
If you use pkgutil to expand the InstallMacOSX.pkg it opens to three items, the Distribution file, InstallMacOSX.pkg and Resources.