Windows 10 build 19045.1806

Windows 10 build 19045.1806 is the earliest known build of Windows 10, version 22H2. Some references to a package called  are present in November 2021 Update build 19044.1806, and if the package is present, the operating system will report itself as version 22H2 and build 19045 instead of 21H2 and 19044 respectively.