Windows NT 4.0 build 1381.4 (RC 1.52)

Windows NT 4.0 build 1381.4 (pre-release) is a Service Pack 3 beta build of Windows NT 4.0. The installer is named, located in the i386 folder of the CD.

Setup
Unlike most Windows NT 4.0 Service Pack updates that are usually available in only executable forms, the installer for this one - as mentioned above - is located in the i386 folder of the CD. Not only that there's files for Service Pack 3, but there are more files included, including a driver pack and a HP Jetadmin installer.

Documentation
Inside the CD, there is also a text document called. It contains information about this pre-release version of Service Pack 3 for Windows NT 4.0, such as the phasing out of PowerPC support and installation instructions. The README's contents: