Windows 10 build 17713 (rs prerelease)

Windows 10 build 17713.1000 (rs_prerelease) is the earliest known build of Windows 10 May 2019 Update, being compiled 50 minutes after Windows 10 build 17713 (rs5 release). A animation  image of this build for demonstrating the Web Sign-in feature of Windows was shown in the release announcement for October 2018 Update build 17713.