This document discusses implementing successful IT service management (ITSM) systems. It begins with basic definitions of ITSM, ITIL, and ISO 20000. It then covers the ITSM hierarchy and various ITSM certifications for organizations and professionals. The document outlines the implementation process in three phases and emphasizes focusing on people, processes, and technology. It provides an overview of various ITSM tools and technologies and concludes with factors that can lead to ITSM resistance and tips for successful change management when implementing ITSM.