Some users have uploaded the full set as a playlist for quick previewing.
If you are looking to relive this specific era of Windows or simply prefer these "exclusive" notification tones, you can still find and download them today. Where to Download Windows 10 Build 10074 Sounds windows 10 build 10074 sounds download
Included a "Windows Unlock" tone that was more prominent than in modern versions. Some users have uploaded the full set as
Click Browse... , navigate to your extracted Build 10074 folder, and select the corresponding .wav file. windows 10 build 10074 sounds download
Right-click the Speaker icon in your taskbar and select Sounds (or search for "Change system sounds" in the Start menu).