![]() Upgrade to the latest macOS that is compatible with your Mac Reinstall the latest macOS that was installed on your Mac, without upgrading to a later version Hold the appropriate key combo at the boot chimes. ![]() If you need to reinstall from Recovery on an Intel-based Mac, & were previously running Sierra 10.12.4 or higher, there are now 3 options available. How do I create a Mac bootable USB drive using Windows? How do I make a bootable USB OS X installer on a Mac? How do I create El Capitan installer on a Catalina (or post-El Capitan) installed Mac for use on USB boot installer? If you need to create a bootable USB to install from Some users seem to have managed to skip El Capitan, but High Sierra is still necessary, if it or newer has never been on the Mac before, as it adds a firmware update required to read the newer APFS filesystem. This will prepare your machine for the long jump. If you are trying to jump a long way - say from 10.8 to 10.14 or later, received wisdom is to first upgrade to El Capitan 10.11, then High Sierra 10.13. There are also instructions for each to make bootable installers. This links to official Apple installers, just by an 'easier' route for older Macs. There is a list of older OS installers - Snow Leopard to Sierra - which can be accessed even using older versions of Safari which do not support modern https links. Mist from ninxsoft which can download & build official installers.ĭosdude1 Patchers - a suite of apps ostensibly for installing macOS on unsupported hardware, but each of which includes direct download of the relevant OS, & separate download of the firmware update necessary for APFS.Īs I have not yet tested alll of these personally, if you hit a stumbling block, please raise a new question and link back to here/leave a comment below, so we can add information to this as a 'master list'. They are of no use if you only have an early Mac to work from. All of these only work for High Sierra & newer. There are several ways to deal with this - all freeware, but with different approaches. The App Store will not let you download an OS that is either too old or too new for the Mac you are downloading to - which is an annoying hurdle. As all Macs since approximately 2011 can use Internet Recovery to at least get a workable OS on the Mac, this might often be the best initial approach, from which you can investigate further once you have a basic working Mac.Īccessing an OS your current Mac cannot itself run…. One thing that still applies throughout: you really need a Mac to get macOS easily. Apple Knowledge Base - How to download macOS So, before working right down this answer, check here as a first step. In the past couple of years - since this answer was first devised - Apple now have an official list of available installers making them much easier to find than before. Every year/release this answer on installing previous versions of macOS will need updating.
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