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
    09
    May
    2017

    Windows 10 version 1507 End of Extended Support

    Windows 10, version 1507, is also known as Build 10240, and was the RTM (release to manufacturing) or first published version of Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.