Hard to find updated publicly-available information on this, but it was claimed that in 2003, Windows took 12 hours to build, on a multi-machine build farm: htt

Hard to find updated publicly-available information on this, but it was claimed that in 2003, Windows took 12 hours to build, on a multi-machine build farm: https://www.itprotoday.com/windows-server/supersite-flashback-nt-s-first-decade https://www.itprotoday.com/windows-server/supersite-flashbac...