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.
Find out how to upgrade to macOS Big Sur, the latest version of macOS.
Check compatibility
Read reviews, compare customer ratings, see screenshots and learn more about macOS Catalina. Download macOS Catalina for macOS 10.9 or later and enjoy it on your Mac.
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it may 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.
- MacOS Catalina is now available, featuring Apple Arcade on Mac and all-new entertainment apps along with great new features like Sidecar, Voice Control and Screen Time. MacOS Catalina, the latest version of the world’s most advanced desktop operating system, is now available as a free software update.
- Open Activity Monitor on your computer. Click on 'CPU' tab so you can view the CPU selections. Now, check for 'App Store' and select it. Click on the 'X' icon on top to initiate its elimination.
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.
Make a backup
Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Find out how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure 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 being downloaded from the App Store, the installer opens automatically.
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite or Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion
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 start installing the operating system.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion or Snow Leopard
Install macOS
Follow the onscreen instructions in the installer. It may 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 finish without putting your Mac to sleep or closing its lid. Your Mac may restart, show a progress bar or show a blank screen several times while macOS and related firmware updates are being installed.
Learn more
You may 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.
iTunes is going places.
Download macOS Catalina for an all‑new entertainment experience. Your music, TV shows, movies, podcasts, and audiobooks will transfer automatically to the Apple Music, Apple TV, Apple Podcasts, and Apple Books apps where you’ll still have access to your favorite iTunes features, including purchases, rentals, and imports.
You can always download iTunes 12.8 for previous versions of macOS,
as well as the iTunes application for Windows.
Hardware:
- Mac computer with an Intel processor
- To play 720p HD video, an iTunes LP, or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor is required
- To play 1080p HD video, a 2.4GHz Intel Core 2 Duo or faster processor and 2GB of RAM is required
- Screen resolution of 1024x768 or greater; 1280x800 or greater is required to play an iTunes LP or iTunes Extras
- Internet connection to use Apple Music, the iTunes Store, and iTunes Extras
- Apple combo drive or SuperDrive to create audio, MP3, or backup CDs; some non-Apple CD-RW recorders may also work. Songs from the Apple Music catalog cannot be burned to a CD.
Software:
- OS X version 10.10.5 or later
- 400MB of available disk space
- Apple Music, iTunes Store, and iTunes Match availability may vary by country
- Apple Music trial requires sign-up and is available for new subscribers only. Plan automatically renews after trial.
iTunes
Download the latest version for Windows.
The latest entertainment apps now come installed with macOS Catalina. Upgrade today to get your favorite music, movies, TV shows, and podcasts. You can join Apple Music and stream — or download and play offline — over 75 million songs, ad‑free.
iTunes
Download the latest version from the Microsoft Store.
Hardware:
- PC with a 1GHz Intel or AMD processor with support for SSE2 and 512MB of RAM
- To play standard-definition video from the iTunes Store, an Intel Pentium D or faster processor, 512MB of RAM, and a DirectX 9.0–compatible video card is required
- To play 720p HD video, an iTunes LP, or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor, 1GB of RAM, and an Intel GMA X3000, ATI Radeon X1300, or NVIDIA GeForce 6150 or better is required
- To play 1080p HD video, a 2.4GHz Intel Core 2 Duo or faster processor, 2GB of RAM, and an Intel GMA X4500HD, ATI Radeon HD 2400, or NVIDIA GeForce 8300 GS or better is required
- Screen resolution of 1024x768 or greater; 1280x800 or greater is required to play an iTunes LP or iTunes Extras
- 16-bit sound card and speakers
- Internet connection to use Apple Music, the iTunes Store, and iTunes Extras
- iTunes-compatible CD or DVD recorder to create audio CDs, MP3 CDs, or backup CDs or DVDs. Songs from the Apple Music catalog cannot be burned to a CD.
Software:
- Windows 10
- 64-bit editions of Windows require the iTunes 64-bit installer
- 400MB of available disk space
- Some third-party visualizers may no longer be compatible with this version of iTunes. Please contact the developer for an updated visualizer that is compatible with iTunes 12.1 or later.
- Apple Music, iTunes Store, and iTunes Match availability may vary by country
- Apple Music trial requires sign-up and is available for new subscribers only. Plan automatically renews after trial.
iTunes is going places.
Visit the iTunes Store on iOS to buy and download your favorite songs, TV shows, movies, and podcasts. You can also download macOS Catalina for an all-new entertainment experience on desktop. Your library will transfer automatically to the new Apple Music app, Apple TV, and Apple Podcasts. And you’ll still have access to your favorite iTunes features, including your previous iTunes Store purchases, rentals, and imports and the ability to easily manage your library.
Catalina App Store
Music, TV, and podcasts
take center stage.
iTunes forever changed the way people experienced music, movies, TV shows, and podcasts. It all changes again with three all-new, dedicated apps — Apple Music, Apple TV, and Apple Podcasts — each designed from the ground up to be the best way to enjoy entertainment on your Mac. And rest assured; everything you had in your iTunes library is still accessible in each app. iCloud seamlessly syncs everything across your devices — or you can back up, restore, and sync by connecting the device directly to your Mac.
The new Apple Music app is the ultimate music streaming experience on Mac.1 Explore a library of over 75 million songs, discover new artists and tracks, find the perfect playlist, download and listen offline, or enjoy all the music you’ve collected over the years. And find it all in your music library on all your devices.
The Apple TV app for Mac is the new home for all your favorite movies, shows, premium channels, and Apple TV+. Watch everything directly in the app or enjoy it offline, and discover the best of what’s on in the Watch Now tab. You can even pick up where you left off on any screen, across all your devices. And for the first time, 4K2 and Dolby Atmos3-supported movies are available on Mac.
More than 700,000 of the best entertainment, comedy, news, and sports shows are now available on your Mac with Apple Podcasts. Search for podcasts by title, topic, guest, host, content, and more. Subscribe and be notified as soon as new episodes become available. And in the Listen Now tab, you can easily pick up where you left off across all your devices.
iTunes Support can help answer your questions
Catalina Os App Store Windows 10
Get help with syncing, updating to a more recent version of iTunes, or with an iTunes Store purchase — and much more.
Learn moreLooking for a previous version of iTunes?
Download earlier versions of iTunes to work with compatible operating systems and hardware.