The ding comes from the default sound scheme of Microsoft Windows 95, released in 1995, when short system chimes replaced earlier PC beeps for alerts and prompts. As Windows 95 became the standard home and office operating system, the sound was heard billions of times and burned into popular memory. It later resurfaced on soundboards, in retro computing videos and in meme edits that recreate old desktop interfaces. Its continued use relies less on nostalgia alone and more on how universally it is still understood as a simple computer notification.