It isn't about productivity; nobody uses Build 3718 to browse the web today (most modern sites won't even load). It’s about nostalgia and "What If" history
is unique. Compiled on November 19, 2003, it was the first build to include the Desktop Composition Engine (DCE) —the precursor to Windows Aero. However, unlike later builds, the DCE here is rudimentary and prone to crashing. Users flock to 3718 not for stability, but for nostalgia . windows longhorn build 3718 iso download