Download macOS Catalina 10.15.5 Update - Apple
support.apple.com › kb › DL2039Jun 01, 2020 · Download. 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. The update also improves the stability, reliability, and security of your Mac.
macOS Catalina on the App Store
apps.apple.com › us › appmacOS Catalina 10.15.7 provides important security updates and bug fixes for your Mac. • Resolves an issue where macOS would not automatically connect to Wi-Fi networks. • Fixes an issue that could prevent files syncing through iCloud Drive. • Addresses a graphic issue that may occur on iMac (Retina 5K, 27-inch, 2020) with Radeon Pro 5700 XT.
How to get old versions of macOS - Apple Support
support.apple.com › en-us › HT211683Dec 14, 2021 · Safari uses these links to find the old installers in the App Store. After you download the installer from the App Store, the installer opens automatically. macOS Big Sur can upgrade Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks; macOS Catalina can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks