If you're crunched for space and time and want enough space to install the latest macOS updates quickly, download MacKeeper. MacOS for both Apple silicon and Intel Macs use the same amount of storage, so that's something you don't have to worry about.

Older macOS versions-from 8.8GB to 18.5GB, depending on its type.

macOS Big Sur-from 14.94GB to 19.94GB on average.

macOS Monterey-from 15.24GB to 20.24GB on average.

So, whether you're contemplating an upgrade to the newest version of macOS or want to know how much disk space the operating system uses, here's a breakdown of macOS storage requirements by version: The information also lets you plan ahead when buying a new Mac and helps you determine if you can manage with a 128-256GB baseline model or need a larger capacity drive. When the new owner starts up the Mac, they can use their own information to complete setup.Since macOS accounts for a sizable chunk of your Mac's hard drive or SSD, knowing its storage requirements gives you a clearer picture of the space you must have at hand during and after installation. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the setup assistant without completing setup, then click Shut Down. 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.

When you see a window with the option to reinstall macOS, your Mac has started up from Recovery.

Download the new for mac