Press mouse button 1 in a blank area of the view, drag the mouse to draw a box around the icons you want to select, then release the mouse button.
Or, you can click mouse button 1 to select the first icon, then hold down the Control key and click mouse button 1 to select each additional icon. This method is useful when the icons you want to select are not located next to each other.
To remove a single icon from a selected group, hold the Control key down and click the icon you want to remove.