Windows Longhorn build 4029 (Lab06 n)

Windows Longhorn build 4029 (Lab06 n) is a Milestone 5 build of Windows Longhorn. On 2020-01-23, this build was listed on a thread by Grabberslasher, founder of the UX.Unleaked blog, to be released to the BetaArchive FTP, and was released as the first two builds of 33 other Longhorn builds on 2020-01-24, alongside build 4017.

Installation
This build cannot be installed via the CD boot; it must be installed via the use of another build's WinPE or via upgrading from a previous build.