In the Win10 volume mixer, the green volume bar is in which

Win10 volume mixer. Where is the green volume bar?
1, open this computer, right click in the blank space of the window, select “properties”;

2. Click [Advanced System Settings] on the left side of the property interface;

3. In the Open “Advanced” box, click the “Settings” button on the right side of [Performance];

4. In the performance options box, check the "Animation controls and elements in the window", click “ Apply & rdquo; and “ OK & rdquo;

5. After the setting is completed, we can open the volume mixer and you can see that the green vertical bar is moving.