Windows 10, released by Microsoft in 2015, brought a new set of system sounds for everyday actions, including the gentle alert used when Mail receives a new message. As Windows 10 became the standard operating system on millions of home and office PCs, that chime entered daily life and became shorthand for an incoming email. Soundboard users later clipped it for reuse, and video creators adopted it because audiences recognise the tone instantly without needing any explanation, keeping it useful for tech skits, reaction edits and notification jokes long after the operating system itself stopped feeling new.