VERIFIED SOLUTION i

How to edit a Legend in the Layout Window - MapInfo Pro

Products affected: MapInfo Pro™
There a two ways to make edit a Legend in the Layout Window. 
  1. You can either, for example, change the colour of the regions in a layer and this will then be shown in the Legend frame. The same can be done for symbols
  2. To make changes to the Legend frame text, colour etc, you can do this by simply double clicking on the frame and the Legend Frame Properties window will open.
UPDATED:  August 11, 2017