Windows NT 4.0 build 1381.1

4.0.1381.1 (1996-08-03)
Build of Windows NT 4.0
OS familyWindows NT
Version number4.0
Build number1381
Build revision1
Architecturex86, Alpha, MIPS, PC98, PowerPC
Compiled on1996-08-03
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Windows NT 4.0 build 1381.1 is the official RTM build of Windows NT 4.0, which was released to manufacturing on 31 July 1996[1] and generally available on 24 August 1996. This is the recompile from 3 August and the official RTM, but there is also an earlier compile from 27 July that was apparently recalled due to a bug.

Japanese Release Candidate[edit | edit source]

On 29 November 2021, Blue Horizon provided the Japanese release candidate of this build,[2] with several notable differences compared to other variants. Both the Server and Workstation SKUs have bitmap backgrounds that identify as "Pre-Release for Evaluation", as well as additional CDs containing bug reporting tools and documentation identifying the build as the Japanese RC.

Gallery[edit | edit source]

Debug compile[edit | edit source]

References[edit | edit source]