<page_title> List of Microsoft codenames </page_title> <section_title> OS components </section_title> <table> <cell> Assistant <col_header> Codename </col_header> </cell> <cell> Cortana <col_header> Final name </col_header> </cell> <cell> An intelligent personal assistant included with Windows 10, named after an artificial intelligence character in Halo <col_header> Notes </col_header> </cell> </table>
Microsoft developed its assistant for the Windows operating system under the codename "Cortana" in reference to the Halo character.