It looks like you’re looking for a post related to the file. Since Maya 2018 is an older version, Installation Overview
For a period in 2020, Maya 2018.6 seemingly vanished from the official Autodesk update portals, leading to confusion among students and artists.
This guide outlines the details and installation process for , a cumulative maintenance update released on April 9, 2019 , specifically for the Maya 2018 product line. Essential Release Information