By using the »neighbour friendly« Sound Lock application, you will no longer disturb the people around you while watching your favorite movies and shows

VolumeLock is described as 'Easy-to-use audio control utility that gives you the freedom in loudness control. With this program you can guarantee that the volume settings of your PC will never be changed unexpectedly' and is a Volume Control tool in the audio & music category. There are three alternatives to VolumeLock for Windows. The best VolumeLock alternative is Sound Lock, which is free. Other great apps like VolumeLock are Quiet on the Set and Speaker Locker.
By using the »neighbour friendly« Sound Lock application, you will no longer disturb the people around you while watching your favorite movies and shows

Prevent someone from turning up the volume on a Windows machine beyond a maximum volume

Speaker Locker is a system utility for Windows which allows you to automate system volume changes up to 5 periods of a day, in various different lengths, can be programmed to have different volume settings applied to them automatically.
