The application procedure for a master's degree program is quite simple: You can apply to schools, following the admission procedures available on their website. You can find different Master programs via these links: 

Courses in French: http://cataloguelm.campusfrance.org/

For courses taught in English: http://taughtie.campusfrance.org/   

*Remember to search for "national degrees" to make sure that your degree will be recognised bu SAQA!