A slightly different tone that was later refined.
Even in modern versions of Windows 10 or 11, you can still find or customize these system audio files: Locate the Files : Standard Windows sounds are stored in C:\Windows\Media Sound Control Panel Right-click the Speaker icon in your taskbar and select Alternatively, go to windows 10 build 10074 sounds
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The volume control in the notification area was redesigned with a flat design to match the new Settings app. A slightly different tone that was later refined