| Variant | Build Number | Editions Available | |---------|--------------|---------------------| | Initial Release (May 2019) | 18362.30 | Home, Pro, Pro for Workstations, Education, Enterprise | | Updated (Oct 2019) | 18362.418 | Same + Enterprise LTSC (not for 1903, but separate) | | Final Build of 1903 | 18362.1256 | All editions |
Before release, developers knew it as "19H1" (first half of 2019). Unlike the problematic October 2018 Update (version 1809) which was pulled for data loss bugs, 1903 was considered a more cautious, stable rollout. windows 10 1903 iso