On J une 22, 2020, it was revealed at Apple’s Worldwide Developers Conference (WWDC), and it was launched to the general public on November 12, 2020. The latest major update of macOS, Apple Inc.’s operating system for Macintosh computers, is macOS Big Sur, which is the successor to macOS Catalina (version 10.15). Setup macOS Big Sur for the First Time macOS Big Sur