Windows 10 version 1903

Windows 10 April 2019 Update

Version of Microsoft Windows
OS family	Windows 10 (Windows NT)
Version	1903
Codename	19H1
Preliminary name
Architecture	x86, x64
Latest build
Release date
Support end
Replaces
Windows 10 October 2018 Update
Replaced by
Windows 10 19H2 (in development)

Windows 10 19H1 is an upcoming Windows 10 update which is scheduled to be released in March or April 2019.

Builds

Insider Preview (RS_PRERELEASE)

18202.1001.rs_prerelease.180718-1452

18204.1001.rs_prerelease.180721-1657

18214.1000.rs_prerelease.180803-1553

18219.1000.rs_prerelease.180810-1721

18234.1000.rs_prerelease.180831-1440

18237.1000.rs_prerelease.180907-1621

18242.1000.rs_prerelease.180914-1435

18247.1001.rs_prerelease.180922-2224

18252.1000.rs_prerelease.180928-1410

18262.1000.rs_prerelease.181012-1414

18267.1001.rs_prerelease.181020-1908

18272.1000.rs_prerelease.181026-1425

18272.1006.rs_prerelease_flt.181109-1705

18277.1000.rs_prerelease.181102-1446

18282.1000.rs_prerelease.181109-1613

18290.1000.rs_prerelease.181121-1501

18298.1000.rs_prerelease.181205-1436

18305.1000.rs_prerelease.181213-2133

18305.1003.rs_prerelease_flt.181217-1617

18309.1000.rs_prerelease.181220-1256

18312.1001.rs_prerelease.190104-1630

18312.1007.rs_prerelease_flt.190111-1636

18317.1000.rs_prerelease.190111-1556

Insider Preview (19H1_RELEASE)

18323.1000.19h1_release.190119-1759

18329.1.19h1_release.190129-1504

18334.1.19h1_release.190205-1505

18342.1.19h1_release.190215-1528