This document provides an overview of change management. It defines change as the addition, modification, or removal of a supported service, which can result from various business drivers. It explains that change requires pressure for change, a clear vision, organizational capacity and capability, and actionable first steps. Key aspects of change management include proactively positioning the organization to adopt changes, acknowledging and mitigating resistance to change, and defining changes outside the service change process. The document outlines preliminary steps, the role of a change authorization board, the authorization process, elements of successful change management, and benefits.