Releasing Windows 10 Build 19043.1023 (21H1) to Beta & Release Preview Channels

Skip to main content Hello Windows Insiders, today we're releasing 21H1 Build 19043.1023 (KB5003214) to the Beta Channel & Release Preview Channel for those Insiders who are on 21H1. See our blog post here on preparing the Windows 10 May 2021 Update (21H1) for release.