It was shipped as an enablement package for Windows 11 2022 Update and carries the build number 10.0.22631.
[4] Following this release model, many features in Windows 11 2023 Update may thus already have been released to existing Windows 11 users at the time of receiving this update.
Major features of Windows 11 2023 Update and system applications included: [5] The first preview was released to Insiders who opted in to the Beta Channel on May 25, 2023.
[6] New features and changes from "Moment 4" were enabled by default in this update.
The first component update to Windows 11, version 23H2, codenamed "Moment 5", was released on February 29, 2024, with build 22631.3235 and several further changes:[8][9] The update will reach end of service on November 11, 2025 for Home, Pro, Pro Education, Pro for Workstations and SE editions.