Use the bootable installer Determine whether you're using a Mac with Apple silicon , then follow the appropriate steps:. Apple silicon Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes. Select the volume containing the bootable installer, then click Continue. When the macOS installer opens, follow the onscreen instructions.
Intel processor Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. Release the Option key when you see a dark screen showing your bootable volumes. Select the volume containing the bootable installer. Then click the up arrow or press Return. If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
Choose your language, if prompted. Learn more A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model. Published Date: October 25, Yes No. IObit Uninstaller. Internet Download Manager. WinRAR bit. VLC Media Player. MacX YouTube Downloader. Microsoft Office YTD Video Downloader. Adobe Photoshop CC. VirtualDJ Avast Free Security.
WhatsApp Messenger. Talking Tom Cat. Clash of Clans. Subway Surfers. TubeMate 3. Google Play. For buying even older versions of Mac OS X, you may have some luck searching on Amazon or Ebay and buying old physical copies of the installer disks. Another option is to peruse the Apple Vintage Software collection at Archive. All Rights Reserved. Reproduction without explicit permission is prohibited. Subscribe to OSXDaily. Follow OSXDaily.
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