When you upgrade to macOS Catalina, you get more of everything you love about Mac. Experience dedicated apps for music, TV and podcasts. Smart new features in the apps you use every day. And Sidecar, which lets you use iPad as a second Mac display. Best of all, upgrading is free and easy.
Apple has instructions on installing a terminal release of Mac OS X or macOS for its old computers. Once upgraded to El Capitan or later, you can then run Migration Assistant to transfer data to. If you've got Mojave or Catalina installed on your Mac the update will come via Software Update. You may even see a notification that an update is available. Open System Preferences (you can click.
Mac computers with Metal-capable graphics processors (GPUs) can upgrade to macOS Catalina.
Before you upgrade, we recommend that you back up your Mac. Then, if your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Catalina.
Go to Software Update in System Preferences to find the macOS Catalina upgrade. Click Upgrade Now and follow the onscreen instructions to begin your upgrade.
If you’re running High Sierra (10.13), Sierra (10.12) or El Capitan (10.11), upgrade to macOS Catalina from the App Store. If you’re running Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first.
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 Catalina:
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.
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 with a Lightning connector and iOS 12 or later.
Requires an iPhone with iOS 13 or iPad with iPadOS.
Requires an iPhone or iPad with a Lightning connector and iOS 8 or later.
Requires an iPhone or iPad with cellular connectivity, a Lightning connector and iOS 8.1 or later. Requires Personal Hotspot service through your network provider.
Requires an iPhone or iPad with a Lightning connector and iOS 10 or later.
Supported by Mac models introduced in mid 2013 or later.
Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Supported by Mac models introduced in mid 2013 or later.
Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13.
Requires an iPhone with iOS 8 or later and an activated data plan.
Requires an iPhone with iOS 8.1 or later and an activated data 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 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).
Supported by the following Mac models:
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 aged 13 or older in the US and many other countries and regions.
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.
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 state that your Mac doesn't have enough free storage space for the installation or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan or Yosemite. You can also check compatible operating systems 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 you're plugged into AC power and have a reliable internet connection.
These installers from the App Store open automatically after they've been downloaded:
Your web browser will download 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 will install an app named Install [Version Name]. Open that app from your Applications folder to start installing the operating system.
Follow the onscreen instructions in the installer. It might be easiest to start the installation in the evening so that it can be completed 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 the installation to be completed without putting your Mac to sleep or closing its lid. Your Mac may restart, display a progress bar or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
You might also be able to use 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.