VERIFIED SOLUTION i

Can different versions of MapInfo Professional and MapBasic be installed on the same computer?

Yes, you can install different versions of MapInfo Professional and MapBasic on the same computer as long as they are installed to different locations on your computer. For example:

C:\Program Files(x86)\MapInfo\Professional\12.5 and C:\Program Files(x86)\MapInfo\Professional\12.0.
UPDATED:  April 3, 2017