If your files are currently on a PC, follow the PC migration steps instead. If you're moving content from a Time Machine backup, follow the steps to restore your Mac from a backup instead. Get ready Install all available software updates on both computers. Make sure that a name appears in the Computer Name field. Use Migration Assistant You're now ready to use Migration Assistant to move your files from the old Mac to the new one. When Migration Assistant asks you for permission to make changes, enter your administrator password, then click OK.
When asked how you want to transfer your information, select the option to transfer from a Mac, Time Machine backup, or startup disk. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Monterey. You can now quit Terminal and eject the volume. 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.
If you desperately need a lower OS X version build, consider creating a new Developer account among other options. Nevertheless, keep in mind that if you visit developer. Buy a boxed edition of Snow Leopard The email edition comes with a special download code you can use for the Mac App Store.
So, here are main steps you should take:. Update to Download El Capitan here. If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model.
But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac or virtual machine running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities.
Below is the detailed instruction how to do it. Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Locate InstallESD. The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Instruction to downgrade from macOS Sierra.
Allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time. Other macOS installation options When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions: On an Intel-based Mac, if you use Shift-Option-Command-R during startup, you're offered the macOS that came with your Mac, or the closest version still available.
If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac. Otherwise you're offered the macOS that came with your Mac, or the closest version still available. If the Mac logic board was just replaced, you might be offered only the latest macOS that is compatible with your Mac.
If you just erased your entire startup disk, you might be offered only the macOS that came with your Mac, or the closest version still available.
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