Windows 10 Build 15035 is a pre-release version from the Windows 10 Creators Update development cycle. Unlike most builds intended for standard PCs, this one holds a unique distinction: it is the only known Windows 10 client build compiled for . It was uploaded to the BetaArchive FTP server on November 24, 2019. Because it was never officially released to Windows Insiders and lacks mainstream hardware support, it is not suitable for daily use and is considered a historical curiosity.