macOS Catalina 10.15.7 Installer Update: Everything You Need to Know
: Addresses a specific graphical issue (such as a white flashing line) occurring on the 27-inch iMac (2020) equipped with the Radeon Pro 5700 XT.
: Includes several important security fixes recommended for all users. System Requirements and Compatibility macos catalina 10157 installer upd
: Resolves an issue where the Mac would not automatically connect to known Wi-Fi networks.
To install macOS Catalina 10.15.7, your Mac must be compatible with the following hardware list: : 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 or newer Mac Pro : Late 2013 or newer General Technical Requirements: macOS Catalina 10
: Must be running OS X 10.9 Mavericks or later to upgrade directly. How to Download and Install the Update
: Fixes a bug that prevented files from syncing correctly through iCloud Drive. To install macOS Catalina 10
There are several ways to obtain the macOS Catalina 10.15.7 installer depending on your current system state.
: At least 12.5GB of available space for an upgrade from OS X El Capitan 10.11.5 or later; up to 18.5GB for earlier releases. A clean install requires at least 20GB.