1. Open constituent record
2. On the upper most right of the constituent record select the middle box.  This box is between the minimize feature and the close (X) feature.  The image in this box is 2 small screens.
3. You can also further adjust the screen by putting the mouse in the upper corner so that a double arrow appears.  Here you can adjust the size to your liking.

Note: If the screen does not adjust further to your liking, you may need to assess your workstation parameters for size adjustment