Microsoft has announced that Windows 10 Anniversary update (Version 1607) has today reached “end of service”. This means no monthly security updates going forward if you remain on the Anniversary update (Build

You need to update preferably to Fall Creators update (Version 1709) or Creators update (Version 1703) to remain supported with security updates. This is what Microsoft posted on the Anniversary update history page today.

Windows 10 version 1607 will reach end of service on April 10, 2018. Devices running Windows 10 Home or Pro editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

IMPORTANT: Windows 10 Enterprise and Windows 10 Education editions will receive six months of additional servicing at no cost. Devices on the Long-Term Servicing Channels (LTSC) will continue to receive updates until October 2026 per the Lifecycle Policy page. Windows 10 Anniversary Update (v. 1607) devices running the Intel “Clovertrail” shipset will continue to receive updates until January 2023 per the Microsoft Community blog.