Windows End of Support Calendar

The End of Support Calendar shows Microsoft Operating Systems end of support dates, whether they are the end of mainstream support that updates features and cosmetic changes, or extended support, which ends security fixes and all Microsoft technical support other than old web pages.

Windows 10 Security Updates end October 14, 2025

Event Information:

  • Tue
    14
    Dec
    2021

    Windows 10 Version 2004 End of Service

    Windows 10, version 2004, named for the release date of April 2020, but known as the May 2020 update, will reach end-of-life, on December 14, 2021, and will no longer receive security patches after that date.