Windows 8 build 8419

Windows 8 build 8419 is an unconfirmed pre-RTM build of Windows 8. This build runs on multiple HP Pavilion TPN-Q112 development machines exhibited at Idle Fish (闲鱼), an online second-hand market in China. It was supposedly uploaded to the Chinese website BetaWorld on 21 December 2022, along with SBS 2000 build 1059 and Windows 2000 build 2195.1610.