
This software is called VolumeTouch, which primarily aims at increasing and decreasing the system volume using the keyboard and mouse. You can assign a specific key combination to initiate the control and then using arrow keys or mouse scroll, you can control the system volume.
But, the interesting thing was when I double clicked the tray icon of VolumeTouch, it opened Master Volume showing the exact volume I was using. So, if you think your system’s volume is low, you can try this software and see whether it is the maximum you can get.
Software: VolumeTouch
Site URL: https://notendur.hi.is/antoni/volumetouch/ (showing “Not Found” error at the time of writing)
Download: Click Here

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