Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.Īfter installation is complete, your Mac might restart to a setup assistant.

Allow installation to complete without putting your Mac to sleep or closing its lid.

If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.

If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.

If the installer asks to unlock your disk, enter the password that you use to log in to your Mac.

Click Continue, then follow the onscreen instructions.

Reinstalling macOS doesn't remove your personal data.

Mavericks arrived in October 2013 (latest version 10.9.When you see a window with the option to reinstall macOS, your Mac has started up from Recovery. Yosemite arrived in October 2014 (latest version 10.10.5) and can run on the following Macs: MacBook Pro (Mid/Late 2007 to early 2015).Sierra arrived in September 2016 (latest version 10.12.6) and can run on the following Macs:Įl Capitan arrived in September 2015 (latest version 10.11.6) and can run on the following Macs: MacBook Air (Late 2010 to 2017, which is same as 2015 model).Owners of Macs with M1 or M2 chips won’t be able to run older versions of macOS that weren’t designed for M1 Macs. For this reason, it is unlikely that you will be able to install an older version of macOS on a new Mac-but you can take a look at how to install old versions of macOS or OS X for other Macs.

It’s likely that an older OS won’t include the necessary drivers for the hardware on your newer Mac. Officially, the operating system that was available on your Mac at the time that you bought it is the oldest version of macOS that can run on that Mac. To learn how to install the Sonoma beta read: How to install the macOS beta. For advice about installing Ventura read: How to install Ventura on your Mac. Read on to find out which Macs are supported by each version of the Mac operating system. With macOS Sonoma announced and currently in beta and likely to arrive on Macs in October, it’s likely that many Mac users will be wondering if their Mac will be able to support it or the current version of macOS, Ventura.

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