Devices that are running these builds automatically get the update downloaded and installed through Windows Update. Only certain builds of Windows 10 Version 1703, Version 1607, Version 1511, and Version 1507 require this update. The files and resources in this update make sure that feature updates are installed seamlessly to improve the reliability and security of Windows 10. This update includes diagnostic improvements for determining the applicability of updates in Windows 10 Version 1703, Version 1607, Version 1511, and Version 1507.
