MacOS 10.13.0

macOS 10.13.0 (build 17A365) is the first public release of macOS 10.13 (High Sierra) on September 25, 2017 by Apple Inc.

Development history
The first developer beta of macOS 10.13.0 was seeded on June 5 during the 2017 Worldwide Developers Conference. A supplemental update was released on October 5, 2017.