There might be old copies of Lion, Mountain Lion, and even Snow Leopard for sale on sites like eBay. Non-developers can buy OS X Mountain Lion ($19.99) and OS X Lion ($19.99) from Apple directly. Apple will email you an unlock code, which you can redeem in the Mac App Store. If you have a valid Apple Developer account, you might be able to download older versions from /downloads. This will put an installation app in your Applications folder, which you should leave there. Once any of these downloads are complete, mount the. Leave the installation app in your Applications folder.ĭirect Disk Image Links for Older macOS Downloads Once any of these downloads finishes, do not open the installer to begin the installation. macOS High Sierra (macOS 10.13) Driver Installation and Troubleshooting Start computer with all USB cables disconnected. Many files and apps work well by manually migrating, but the official tool will want to force you to upgrade to the version that made the backup if you ask it to migrate data to an older OS build or version.Mac App Store Links for Older macOS Downloads This is not a downgrade, you erase everything and walk away from an easy migration of a newer backup to a clean installation of an older OS. Hold Shift-Option-⌘-R to get the original version (or the closest newer version past what was original if the original is no longer available from Apple content delivery network that powers Internet Recovery. Direct Disk Image Links for Older macOS Downloads. Apple does ship newer hardware within the same marketing name from time to time, so contact Apple Support if you need to know the version of the OS that shipped with a specific serial number. If you don’t have a record of the OS that shipped, you can make a backup, erase the hard drive and then use Internet Recovery to ask for the proper version that shipped with your serial number. This means if you have a late 2017 that originally shipped with Mojave it will not run HS. I believe 2017 iMacs were shipped with either High Sierra or Mojave which was released after High Sierra. I have internet connection with no active firewall. The USB installer will appear as one of the choices to boot from.Īpple documents the things to check if you ever manage to install or bring an older OS to newer hardware where driver support isn’t complete or even available: Macs cannot run versions of Mac OS earlier than what the computer was originally shipped with. Solved: I have a physical copy of CS3 with serial from disks/box. Once step 2 completes, you can boot from the USB installer by restarting the Mac and immediately hold down the option key until the Startup Manager icons appear. sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume Choose the following options.Įnter the following command in a Terminal application window. Use the Disk Utility application to erase the flash drive. You can install macOS High Sierra 10.13.6 by downloading it from the Mac App Store, creating, booting and installing it via a USB installer. It is possible to downgrade it to run the said release of macOS High Sierra on your MacBook Pro. When the installer has completed downloading, it will. Download macOS High Sierra installer application from the App Store and be sure the complete installer is located in the /Applications/ directory. Connect the USB flash drive to the Mac, if you need to format it go ahead and do so. ![]() The instructions for creating the USB installer can be found at the Apple website How to create a bootable installer for macOS. 4 2018 MacBook Pro originally shipped with macOS High Sierra 10.13.6. How to Make a Bootable USB Installer for macOS High Sierra. The installer will appear in the Applications folder, as shown in image below. When finished downloading, you will get the popup message shown below. ![]() The download will appear as a software update, as shown in the image below. High Sierra appears in the App Store as shown in the image below. ![]() High Sierra can be downloaded from Mojave by selecting Get macOS High Sierra on the Apple website How to upgrade to macOS High Sierra.
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