embedded matlab doesn't work

hello guys i need to make embedded matlab works and it shows an error related with the C compiler and i executed the instruction mex -setup but i don't have the compiler so please give me a link to download the compiler then the procedures for mex -setup thanks in advance

[Geoff Hayes]

Mohamed - if you are observing an error, then please add that to your question. See mex for details on how to use mex, how to change the default compiler, and supported compilers for R2014a.