VERIFIED SOLUTION i

Installing different versions of MapInfo Pro and MapBasic on the same computer

Products affected: MapInfo Pro 
It is possible to install different versions of MapInfo Pro and MapBasic on the same computer as long as they are installed to different locations on the computer. For example:

C:\Program Files(x86)\MapInfo\Professional\12.5
and
C:\Program Files(x86)\MapInfo\Professional\12.0.
UPDATED:  August 7, 2019