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
    10
    Oct
    2017

    Windows 10 version 1511 End of Extended Support

    Windows 10, version 1511, is also known as Build 10586, and was the "November Update" to Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.