<page_title> MacOS </page_title> <section_title> Release history </section_title> <table> <cell> macOS 10.13 <col_header> Version </col_header> </cell> <cell> High Sierra <col_header> Codename </col_header> </cell> <cell> September 25, 2017 <col_header> Application support </col_header> </cell> </table>
macOS 10.13 High Sierra was released on September 25, 2017.