List of Supported Windows Versions | Updated 20 Aug 2026

List of Supported versions of Windows:
This page offers a list of currently supported versions of Windows.

Normal Edition

Home, Pro, Pro Education, and Pro for Workstations

Windows 10 2022 Update [Version 22H2 (build 19045)]

  • Release Date: Jul 28, 2015
  • Retirement Date: Oct 14, 2025
  • Extended Security Updates (ESU): Oct 12, 2027

Windows 11 2024 Update [Hudson Valley][Version 24H2 (build 26100)]

  • Release Date: Sep 30, 2024
  • Mainstream Support: Oct 13, 2026
  • Release Date: Sep 29, 2025
  • Mainstream Support: Oct 12, 2027
  • Release Date: Feb 9, 2026
  • Mainstream Support: Mar 14, 2028

Enterprise LTSC Editions

Windows 10 2016 LTSB [Version 1607 (build 14393)]

  • Release Date: Aug 1, 2016
  • Mainstream Support: Oct 12, 2021
  • Extended Support: Oct 13, 2026

Windows 10 Enterprise LTSC 2019 [Version 1809 (build 17763)]

  • Release Date: Nov 12, 2018
  • Mainstream Support: Jan 9, 2024
  • Extended Support: Jan 9, 2029

Windows 10 Enterprise LTSC 2021 [Version 21H2 (build 19044)]

Last 32-bit Enterprise LTSC edition

  • Release Date: Nov 15, 2021
  • Mainstream Support: Jan 12, 2027

Windows 11 Enterprise LTSC 2024 [Hudson Valley][Version 24H2 (build 26100)]

  • Release Date: Sep 30, 2024
  • Mainstream Support: Oct 9, 2029

IoT Enterprise LTSC Editions

Windows 10 IoT Enterprise LTSB 2016 [Version 1607 (build 14393)]

  • Release Date: Aug 1, 2016
  • Mainstream Support: Oct 12, 2021
  • Extended Support: Oct 13, 2026

Windows 10 IoT Enterprise LTSC 2019 [Version 1809 (build 17763)]

Last 32-bit IoT Enterprise LTSC edition

  • Release Date: Nov 12, 2018
  • Mainstream Support: Jan 9, 2024
  • Extended Support: Jan 9, 2029

Windows 10 IoT Enterprise LTSC 2021 [Version 21H2 (build 19044)]

  • Release Date: Nov 15, 2021
  • Mainstream Support: Jan 12, 2027
  • Extended Support: Jan 13, 2032

Windows 11 IoT Enterprise LTSC 2024 [Hudson Valley][Version 24H2 (build 26100)]

  • Release Date: Sep 30, 2024
  • Mainstream Support: Oct 9, 2029
  • Extended Support: Oct 10, 2034

FAQ

What is Mainstream Support?
Mainstream support refers to the first phase (typically 5 years) of a product's lifecycle under the Fixed Policy and includes:
  • Request to change product design and features
  • Security updates
  • Non-security updates
  • Self-help support
  • Paid support
What is Extended Support?
When applicable, the Extended Support phase follows Mainstream Support for products governed by the Fixed Policy. At the supported service pack level, Extended Support includes:
  • Security updates
  • Paid programs
  • For eligible Unified Support customers, the ability to request non-security fixes for select products.
Source:

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