Windows NT 4.0 build 1381 (RC 1.13)

Windows NT 4.0 build 1381 (RC 1.13) is an unleaked build of Service Pack 4 beta for Windows NT 4.0. A reference to this build can be found in the file  on the first CD for Microsoft Office 2000 (Beta 2).

Standard Edition on Windows NT 4.0 (Build 1381: Service Pack 4, RC 1.130)