If you are calling via the ViewClix Mobile App on an Apple device, you cannot move the preview window. Apple does not allow this functionality.
If you are calling via the ViewClix Mobile App on an Android device, or calling via the website Member Portal (viewclix.com/members), you can move the preview window.
To move the preview window, you'll tap or click the preview window while on a video call and you'll see it relocate to the opposite corner.