Windows NT 4.0 build 1381.4 (RC 1.52)

Windows NT 4.0 build 1381.4 (RC 1.52) is a Service Pack 3 beta build of Windows NT 4.0, which was shared on OSBetaArchive on 25 December 2015. The installer is named, located in the i386 folder of the CD. This is the earliest available pre-release build of a Windows Service Pack.

Setup
Unlike most Windows NT 4.0 Service Pack updates that are usually available in only executable forms, the installer for this build - as mentioned above - is located in the i386 folder of the CD. Not only that there are 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:

Bugs

 * In winver, the version string is cut off at the RC 1.52 part because the string is longer than the window itself.
 * There is an additional empty line on the bootscreen because the version string is too long.