To display the MapBasic window, on the HOME tab, in the Windows group, click Tool Windows, and click MapBasic 
from the list.
To hide the MapBasic window, click the context menu button 
located on the upper-right corner of the MapBasic window. On the menu, click Auto Hide. The MapBasic window minimizes to the bottom of the MapInfo Pro screen. Clicking on the minimized MapBasic window reopens it.
You can perform tasks by typing statements into the MapBasic window or by choosing them from the MapInfo Pro ribbon.