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The sound comes from Windows 10 preview build 10074, released during Microsoft's testing period before the operating system's full launch in 2015. Preview builds let users hear early versions of system alerts, and this notification tone was later shared on soundboards by people collecting Windows sounds. It has stayed in use because it is instantly recognisable as a computer notification, even for viewers who never used that specific build. Like the Discord join sound, it works best as a short signal that something has arrived, rather than as a joke or musical clip on its own.
关于此声音
The notification chime from Windows 10 build 10074, a short two-tone alert that plays when a system message arrives. It marks a new message in videos.
The Windows 10 build 10074 notification sound is a clean system alert, just over two seconds long, built around a soft chime that rises and settles without any harsh edge. It sounds familiar instantly to anyone who has used a Windows computer, carrying the calm, neutral tone of an incoming message rather than an alarm or a warning. In a video it works as a punctuation mark, drawing the eye to a phone, a chat window or an on-screen text box and telling the viewer something new has just arrived. Because it is so recognisable, it adds realism and makes a staged notification feel like a genuine one.
