Windows 2000 was released by Microsoft in February 2000 as a business-focused successor to Windows NT 4.0, while Windows Me followed later that year for home users, and both systems used closely related startup sounds. The chime was designed to sound welcoming and professional as the desktop appeared, a contrast to the harsher beeps of earlier machines. Years later, clips of it spread through soundboards, retro computing channels and meme edits, where it became shorthand for turn-of-the-millennium technology. It remains popular because it is instantly recognisable to anyone who used a PC at that time.