Windows 7 is an operating system released by Microsoft in 2009, and its startup sound became one of the most recognisable computer chimes of its era. Millions of people heard the short melody daily at home, school and work, so it carries strong nostalgia for that period of personal computing. As Windows 7 was replaced by newer systems, the sound survived online in meme edits, remix videos and fake error clips, where it now signals a brain loading, a system failing or an outdated piece of technology trying to start.