License dilemma Texas Instruments Code Composer v5 for Stellaris vs MSP430
Start with option 3, for the Stellaris. Finish the setup.
Launch CCS, Then go to Help --> Code Composer Studio Licensing Information --> tab Upgrade --> button Launch License Setup
This time go to option 4.

At this point, both licenses should be installed.

Ref: 
http://e2e.ti.com/support/development_tools/code_composer_studio/f/81/t/236260.aspx
and
http://e2e.ti.com/support/development_tools/code_composer_studio/f/81/p/209797/742312.aspx