The Windows 2000 shutdown sound comes from Microsoft's Windows 2000 operating system, released in 2000. It became familiar to office and home computer users during the early 2000s, especially on business PCs running the NT-based system. Online, the clip survives because it instantly signals old computer culture, workplace nostalgia, and the end of a process. It is often grouped with other classic Windows sounds, including the Windows XP error music, when people make retro desktop edits and tech nostalgia compilations.