![]() ![]() Also read: How to install older versions of macOS or OS X, but note that you will need to confirm that you Mac can run that version of macOS. If it’s an older version of macOS you are after, you can also find links to those below. If, on the other hand, if you are running Ventura and you want to reinstall Ventura grab the Ventura installer from the Mac App Store here. How to download the installer from the Mac App StoreĪlternatively, find Sonoma on the Mac App Store and click on Get to download it from there (don’t install it). Download the macOS Sonoma install files (don’t install it!).If you are currently running Ventura and want to do a clean install of macOS Sonoma, for example, then you can download the installation package via System Settings. How to download the installer via Software Update If you’re reinstalling the latest version of macOS, or installing a new version of macOS, the next step is relatively easy although the process for obtaining the installer will be different. However, following Monterey Apple has made it easy to get a factory-fresh installation.Īn Erase All Content and Settings option arrived with macOS Monterey that allows you to reset your Mac to factory settings without having to work through the many steps to wipe and format your drives. Option 1: Erase All Content and Settings (macOS Monterey and later)īefore the arrival of Monterey, it was necessary to create a bootable USB drive or use Recovery Mode to wipe your disk. You could alternatively sync all your Documents and Desktop with iCloud rather than run a full backup, but make sure that everything you need is in the cloud and be aware that you may lose your settings and applications. Note that with regard to backups, you probably won’t want to recover a Time Machine backup if you don’t want to copy over all the settings and preferences associated with your old system. It’s entirely possible that there will be something on your Mac that you thought was in the cloud but was in fact on your Mac (we speak from experience!) Full instructions here: How to back up a Mac. Speaking of which, if an old version is what you’re looking for, it may be worth taking a look at another article where we focus on that entirely: How to download and install old versions of OS X on a Mac.īefore you begin we recommend that you make a backup, just in case something goes wrong. There is also the even trickier business of installing a clean copy of an older version of macOS on your Mac (Monterey, Big Sur, Catalina, High Sierra, Sierra, El Capitan, Mojave, Yosemite or an even old version of OS X). Not only are there three different methods (which we’ll run through below) the methods depend on the version of macOS that you are running. Use the Erase All Content and Settings option setting in System Preferences (available if you are running macOS Monterey and later on a M1 or M2 Mac, or an Intel Mac with a T2 chip).Use macOS Recovery to reinstall macOS via the web.Make a copy of the macOS installer on a USB stick, reformat your drive and then install the macOS on to your Mac from the installer.If you are happy to take the risk and still want to wipe your Mac and reinstall macOS – which you should definitely do if you are selling or passing on your Mac – read on! Three ways to clean install macOSĪs we explained above, there is more than one way to wipe your Mac and reinstall macOS: For further security, these Macs also do not start directly from the system volume, but from a snapshot of the system–and snapshots cannot be changed, even by the system itself. This seal is stored either in the T2 chip of the newer Intel Macs or in the Secure Enclave of the Apple M1/M2.Įach component of the system is signed in hierarchical order, and any change to a component would also invalidate the seal that represents the top level. ![]() Since macOS Big Sur, macOS has its home on its own volume, which is both read-only and cryptographically signed and sealed (referred to as a Sealed System Volume). In the past, it was helpful to reinstall the system if you wanted to correct some Mac problems, but today this solution doesn’t make as much sense. We’ll run through all of these methods below. Plus, if you are running macOS Monterey or later on a M1 or M2 Mac, or an Intel Mac with a T2 chip, then there is a setting in System Preferences that makes wiping your Mac easier than ever.
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