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. 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. Follow the onscreen installation instructions.Ī 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 the other methods. Improves multi-stream video editing performance for HEVC and H. This update: Optimizes gamma handling of low gray levels on Pro Display XDR for SDR workflows when using macOS. Open your Applications folder and double-click the macOS installer, named Install. The macOS Catalina 10.15.3 update improves the stability, reliability, and security of your Mac, and is recommended for all users. pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. dmg file to open it and see the package (.pkg) file within.ĭouble-click the. For information on the compatibility requirements for Xcode 11.4, see Xcode 11.4 Release Notes. The update also improves the stability, reliability, and security of your Mac. The SDK comes bundled with Xcode 11.4, available from the Mac App Store. macOS Catalina 10.15.5 introduces battery health management in the Energy Saver settings for notebooks, an option to control automatic prominence of video tiles on Group FaceTime calls, and controls to fine-tune the built-in calibration of your Pro Display XDR. Use these links to download a macOS disk image (.dmg) file.ĭouble-click the. The macOS 10.15.4 SDK provides support to develop apps for Macs running macOS Catalina 10.15.4.
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