Windows Longhorn build 4031 (Lab06 n)

Windows Longhorn build 4031 (Lab06_n) is a Milestone 6 build of Windows Longhorn. On 2020-01-23, this build was listed on a thread by UX.Unleaked blog founder Grabberslasher to be released to the BetaArchive FTP, and was later released in the ninth set of 33 other Longhorn builds on 2020-02-01, alongside the main lab compile of build 4085, the x86 version of build 4083, the main lab compile of build 4031, its Server counterpart and build 5520.