The original chime comes from Microsoft Windows 2000, the business-focused operating system released in 2000, where it played as the system started up. As the sound became a nostalgic marker of early computing, creators began remixing it with distortion, bass boost and other effects to make the familiar melody feel heavier and more absurd. Those warped versions spread through meme videos, edits and soundboards, where the contrast between a polite old startup sound and an aggressive modern remix does much of the comedy. It remains popular because it is instantly recognisable to anyone who used a PC in that era.