I bet the mouse is a knock-off brand that has VID 0x1234 and PID 0x5678, right? (Visible under Device Manager -> Properties -> Details tab -> Hardware Ids.)

So Windows loads the wrong drivers...

In what way do you think that the Windows 7 version is better? The Windows 7 version has obviously worse background noise than the Windows 10 version, but otherwise it sounds identical. Are you...

This is mostly incorrect. The correct way to adjust the gain of these USB microphones is to adjust the slider in the Microphone Properties → Levels tab. In most mics, this adjusts the PGA inside...