In this README file I'm going to explain how to compile and modify the paint program from windows XP. The leak is in this repo: https://github.com/cryptoAlgorithm/nt5src/.
Ok, first of all we want to locate the SRC folder. Is in NT\shell\osshell\accesory.
Now we want to run the command to prepare the compiler. We will run
NT\shell\tools\razzle.cmd free offline