Are you planning to perform a from a USB, or are you upgrading directly from an older version of macOS?
Once the ~8GB download finishes, the "Install macOS Catalina" app will launch automatically. Method 2: Download via Terminal
Catalina is compatible with most Macs from 2012 and later. Specifically, you can install it on: Early 2015 or newer MacBook Air: Mid 2012 or newer MacBook Pro: Mid 2012 or newer Mac Mini: Late 2012 or newer iMac: Late 2012 or newer iMac Pro: 2017 Mac Pro: Late 2013 or newer Method 1: The Official App Store Link os x catalina download
Catalina was the "point of no return" for 32-bit software. Before upgrading, ensure your essential apps are 64-bit. You can check this by going to . If an app is listed there, it will not run on Catalina. 2. APFS File System
Click "Get." This will open your System Preferences (or Settings) and prompt you to download the installer. Are you planning to perform a from a
macOS Catalina (10.15) Download: A Complete Guide Released in 2019, macOS Catalina (version 10.15) was a landmark update for the Mac. It was the first version to drop support for 32-bit apps and the first to replace iTunes with dedicated Music, TV, and Podcasts apps. Whether you’re looking to revive an older Mac or need a specific environment for testing, here is everything you need to know about downloading and installing macOS Catalina. Before You Download: Check Compatibility
If you want to perform a clean install, you'll need a USB drive with at least 16GB of space. Download the Catalina installer (see Method 1 or 2). Connect your USB drive and rename it "MyVolume". Specifically, you can install it on: Early 2015
Terminal will download the installer directly into your folder. Important Considerations 1. The 32-Bit Transition