Refers to the Microsoft Diagnostics and Recovery Toolset (DaRT) version 8. This is a collection of recovery tools that helps administrators repair unbootable computers and recover data.
Indicates the ISO contains both 64-bit (x64) and 32-bit (x86) versions of the operating system. Windows viso sp2 x64 x86 en us dart8 final feb2017
This marks the build's update cutoff. Microsoft officially ended extended support for Windows Vista on April 11, 2017 . A "Feb 2017" build suggests the image was finalized just before support ended, likely containing almost every security patch released for the OS. Technical Context Refers to the Microsoft Diagnostics and Recovery Toolset