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
  • Tue
    13
    Jan
    2015

    Mainstream Support refers to updated designs and features and other cosmetic changes and support provided by Microsoft that do not fall under security updates.

  • Tue
    13
    Jan
    2015

    Mainstream Support refers to updated designs and features and other cosmetic changes and support provided by Microsoft that do not fall under security updates.

  • Tue
    14
    Jul
    2015

    End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance. Without Microsoft support, you will no longer receive security updates that can help protect your PC from harmful viruses, spyware, and other malicious software that can steal your personal information.

  • Tue
    13
    Oct
    2015

    Microsoft Office 2010 left the end Extended Support on October 13th, 2020, and no longer receives security fixes. Mainstream Support, which also included bug fixes, ended October 13th of 2015. These dates are for Office installations that included Service Pack 2. Un-updated versions ended Extended Support on July 10, 2012, and Service Pack 1 support ended October 14, 2014.

    The product was launched July 15th, 2010.