if the Volume Mixer is not opening on Windows 11/10, here is how you can fix the issue. If you right-click on the volume icon on the Taskbar, you can find an Open volume mixer option.

then you will have to make use of a tool known as Classic Volume Mixer. It’s an open-source utility, and from what we can tell, it seems to work quite fine, and that’s the most important ...

an open source volume mixer that works with Linux and Windows, so what are you waiting for? If you only want a single hardware volume knob, you can’t go wrong dialing it in rotary style.