Here's a comparison of the sounds that have been used in Windows 10 build 10074-10122 and Windows 11. Windows 11 sounds without a dark mode version are shown only once. And for the startup sound of Windows 10 (even in the latest version; as well as Windows 8 and 8.1), no, it's not the sound you might be thinking of. A video proving it: • The Truth About Windows 8/8.1 & 10 Startup...
Usage:
Windows Background: Asterisk, Default Beep, Exclamation, Low Battery Alarm, System Notification
Windows Foreground: Critical Battery Alarm, Critical Stop
Windows 10 build 10074 sounds download: https://drive.google.com/file/d/1QaR1...