Handbook for learning „What and how to learn in seeking to get employed, to work successfully and to live meaningfully” is designed for the adult learning and development of key competences. This handbook provides 4 modules for development of key competences: module for development of communication competence in native and foreign languages, module for development of competences for using information society technologies, module for development of competences related to learning to learn, personal and citizenship development, as well as the module for development of entrepreneurship competence. The handbook can be used by the individual learners and the adult educators. It is prepared in the framework of the research project “The platform of research and development of adult key competence development” funded by the Research Council of Lithuania.