Windows 10 version history

Windows 10 version history is the chronological record of its feature updates, servicing versions, and release dates, from its 2015 launch through its final release.

Connect

Windows 10 version 1507: The original Windows 10 release, launched in July 2015 as version 1507. It begins the version sequence and established Windows 10's initial servicing model.
Windows 10: A Microsoft operating system for personal computers, released in 2015 and succeeded by Windows 11. The version record tracks successive releases of this operating system.
Windows 10 servicing channels: Microsoft's release paths for Windows 10 updates, including channels intended for general use and long-term servicing. Channels affected which releases organizations and individual devices received.
Windows 10 version numbering: The date-based identifier system used to distinguish Windows 10 feature updates. It clarifies why identifiers such as 1607 and 22H2 encode different release periods.
Windows 10 version 1511: A Windows 10 feature update released in November 2015, also known as the November Update. It was the first major update after Windows 10's launch.
Windows 8.1: A Microsoft operating system released in 2013 as an update to Windows 8. It was the preceding Windows client release before Windows 10's new servicing approach.
Windows 10 support lifecycle: Microsoft's schedule for servicing and ending support for Windows 10 editions and versions. Release dates alone do not show when a version stopped receiving updates.
Windows 10 build numbers: Numeric identifiers assigned to Windows 10 operating-system builds, including revisions within a feature version. Build numbers distinguish servicing updates that version labels alone cannot identify.
Windows 10 version 1607: A Windows 10 feature update released in August 2016, also known as the Anniversary Update. Its release illustrates the early annual cadence of substantial feature updates.
Windows as a service: A Microsoft servicing model that delivers ongoing Windows updates instead of relying solely on occasional major releases. It explains why Windows 10's history is organized around recurring feature updates.