Code Composer Studio(CCS) is the Interactive Development Environment(IDE) you will need for creating and/or uploading software onto your TI board. While there are a few choices when it comes to IDEs, CCS is the ‘standardized’ IDE for the Launchpad For Model Railroaders (LP4MRR) initiative.
CCS can be obtained here:
You will likely have to fill out a form explaining why you are worthy of downloading TI’s software. Don’t sweat it. Just fill out the info and make sure you don’t use CCS for commercial purposes (without paying TI their due, anyways).
Installing is a snap on windows and is just the same as installing nearly any other piece of software.