Windows 10 Build 10074 Sounds Here

. This build introduced a fresh set of system sounds designed to modernize the user experience. Windows 10 Forums New Sounds in Build 10074

Interestingly, Build 10074 was a transitional artifact. When Windows 10 was officially released in July 2015 (build 10240), the startup sound was disabled by default again—a last-minute decision to speed up boot times and accommodate "Fast Startup" mode. However, nearly every other sound from Build 10074 survived: the softer error beeps, the polite notification chimes, and the minimalistic device connect/disconnect tones. windows 10 build 10074 sounds