How to Turn Off Notification and System Sounds in Windows 10

 

How to disable sound for notifications using Control Panel
  1. Open Control Panel.
  2. Click on Hardware and sound.
  3. Click the Change system sounds link.
  4. Under “Windows,” scroll and select Notifications.
  5. On the “Sounds,” drop-down menu, select (None).
  6. Click Apply.
  7. Click OK.