To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
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Learn how to upgrade to macOS Big Sur, the latest version of macOS.
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that it's too old to be opened on this version of macOS, or that your Mac doesn't have enough free storage space for the installation.
To confirm compatibility before downloading, check the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also find compatibility information on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.
Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs macOS and related firmware updates.
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. Get even more transparency around your privacy.
The following models are supported:
To see which model you have, click the Apple icon in your menu bar and choose About This Mac.
Before you upgrade, we recommend that you back up your Mac. If your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Big Sur. You’ll need the following:
Go to Software Update in System Preferences to find macOS Big Sur. Click Upgrade Now and follow the onscreen instructions.
If you’re running any release from macOS 10.13 to 10.9, you can upgrade to macOS Big Sur from the App Store. If you’re running Mountain Lion 10.8, you will need to upgrade to El Capitan 10.11 first.
If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Big Sur:
Requires a broadband internet connection and microphone (built-in or external).
Supported by the following Mac models:
Requires a microphone (built-in or external).
Requires a broadband internet connection.
Requires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.
Force Touch gestures require a Force Touch trackpad.
VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.
Requires a FaceTime or iSight camera (built-in or external) or USB video class (UVC) camera.
Audio calls require a microphone (built-in or external) and broadband internet connection.
Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.
High dynamic range (HDR) video playback is supported by the following Mac models:
Dolby Atmos soundtrack playback is supported by the following Mac models:
Supported by the following Mac models:
Supported by all iPad models with Apple Pencil support:
Requires an iPhone or iPad that supports iOS 12 or later.
Requires an iPhone with iOS 13 or later or an iPad with iPadOS 13 or later.
Requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 8 or later.
Requires an iPhone or iPad with cellular connectivity, a Lightning connector or USB-C, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.
Requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 10 or later.
Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13 or later.
Requires a MacBook Pro or MacBook Air with Touch ID, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.
Requires an iPhone with iOS 8 or later and an activated carrier plan.
Requires an iPhone with iOS 8.1 or later and an activated carrier plan.
Requires an iPhone with iOS 12 or later and a configured Home app.
AirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 7 or later.
AirPlay Mirroring requires an Apple TV (2nd generation or later).
AirPlay for web video requires an Apple TV (2nd generation or later).
Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.
Requires an external storage device (sold separately).
Requires an iPhone with iOS 14 and a compatible electric vehicle.
Requires an iPhone running iOS 14 or an iPad running iPadOS 14.
Allows Boot Camp installations of Windows 10 on supported Mac models.
Requires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.
Supports OS X 10.7 or later and Windows 7 or later.
Available only to persons age 13 or older in the U.S. and many other countries and regions.
The improved Retouch tool is supported on the following Mac models: