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May 23, 2024 · You can use macOS Recovery, your computer's built-in recovery system, to reinstall the Mac operating system. Reinstalling macOS doesn't remove your personal data.
- How to download and install macOS
If you want to reinstall macOS, or your Mac doesn't start up...
- Apple Support (UK)
How to reinstall macOS. You can use macOS Recovery to...
- How to download and install macOS
How to reinstall macOS. You can use macOS Recovery to reinstall the Mac operating system (macOS). Reinstalling macOS doesn’t remove your apps or personal data. Shut down your Mac. Start up from macOS Recovery. Reinstall macOS from Recovery. If installation from Recovery is unsuccessful.
- Overview
- Use Software Update
- Use macOS Recovery
- Use the App Store
- Use a web browser for older versions
- Use a bootable installer
- If you need help
Download and install current or previous versions of the Mac operating system on compatible Mac computers.
To maintain your computer's security, stability, and compatibility, Apple recommends using the latest macOS that is compatible with your Mac. macOS updates and upgrades also include the latest features and built-in apps such as Safari.
Use Software Update
Use macOS Recovery
Use the App Store
Use a web browser
Software Update is the fastest and easiest way to get macOS updates and upgrades, and it can use less storage space to download and install them.
Software Update shows only software that is compatible with your Mac. If Software Update says that your Mac is up to date, then no new software is currently available for your Mac model.
If you want to reinstall macOS, or your Mac doesn't start up all the way because it doesn't have a working operating system, you can use the built-in Recovery system to reinstall macOS.
How to reinstall macOS from macOS Recovery
To download macOS from the App Store, you must download from a Mac that is compatible with that macOS. If your Mac isn't compatible, the App Store dims the Get button, says that the macOS is not compatible with this device, or says that the requested version of macOS is not available.
1.Use these links to find macOS in the App Store. If these links don't work as expected, try again using Safari, which is in your Applications folder.
•Sonoma 14
•Ventura 13
•Monterey 12
•Big Sur 11
These older macOS versions are available as disk images that you can download using your web browser. To get the installer from the disk image, you must use a Mac that is compatible with that macOS.
1.Use these links to download a macOS disk image (.dmg) file. If these links don't work as expected, try again using Safari, which is in your Applications folder.
•Sierra 10.12
•El Capitan 10.11
•Yosemite 10.10
•Mountain Lion 10.8
A bootable installer can be useful if you want to install macOS on multiple computers without downloading the installer each time, or when you can't install using macOS Recovery or the other methods.
To download an installer suitable for creating a bootable installer, use the App Store or use a web browser to download from a compatible Mac. The Mac must also be using macOS High Sierra or later, the latest version of macOS Sierra, or the latest version of OS X El Capitan.
If an error occurred while updating or installing macOS
If you need more storage space to download or install
If your Mac doesn't start up all the way
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Apr 30, 2023 · Option 1: Factory Reset Your Mac. Option 2: Wipe and Reinstall macOS from Scratch. Enjoy Your Squeaky Clean Mac. Key Takeaways. To wipe a modern Mac with Apple Silicon or T2 Security Chip, open System Settings > General > Transfer or Reset and click "Erase All Content and Settings" to open the Erase Assistant.
- Karen Haslam
- Back up your Mac. You don’t have to wipe you Mac, but if you are trying to fix a problem, or you are intending to pass on, or sell, the Mac, then you will need to wipe your Mac as part of this process.
- Erase your drive (M1 and M2-series Macs) If you are planning to sell or pass on your Mac, or you want to do a clean install of macOS to solve issues with your Mac, you will want to erase your hard drive before reinstalling the operating system.
- Enter Recovery mode. The process for entering Recovery mode depends on the Mac you are using. On a Mac with an Intel processor you need to press and hold the Command and R buttons during start up until you hear the startup chime and see either a spinning globe or Apple logo.
- Erase your hard drive (Intel Macs without T2 chip) If you have a Mac with an Intel processor that doesn’t also have a T2 chip and you want to delete the data on your Mac’s hard drive you need to use Disk Utility accessed via Recovery mode (you have to access the drive via Recovery because it’s not possible to delete the drive when you are accessing it).
Learn how to reinstall the operating system on your Mac, using macOS Recovery.
- 3 min
- 1.5M
- Apple Support
Use macOS Recovery to reinstall macOS via the web. Use the Erase All Content and Settings option setting in System Preferences (available if you are running macOS Monterey and later on a M1...
