![]() ![]() ![]() You can use this drive multiple times in different machines, throw it in a drawer for next time, or erase it when you’re done and make a new one when it’s time to reinstall again. There might be old copies of Lion, Mountain Lion, and even Snow Leopard for sale on sites like eBay. Creating a bootable USB stick is necessary to install an older version of macOS. 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. then open the downloaded macOS system and navigate to. If you have a valid Apple Developer account, you might be able to download older versions from /downloads. 3) Format the 16 GB flash drive as exfat using Disk Utility. 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 Post-Installation - Install Chameleon to system drive + Kexts to /Library/Extensions. Boot and Install OS X (When booting from USB, be sure to choose non-UEFI boot entry) 7. Once any of these downloads finishes, do not open the installer to begin the installation. Copy FakeSMC.kext and NullCPUPowerManagement.kext to /Extra/Extensions. Mac App Store Links for Older macOS Downloads ![]()
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