This guidance from US-CERT is intended for organizations seeking help in establishing a configuration and change management process and for organizations seeking to improve their existing configuration and change management process.
This guide was created to assist individuals responsible for managing risk management programs for IT operations, including executives who establish policies and priorities for risk management, managers and planners who are responsible for converting executive decisions into action plans, and operations staff who implement those operational risk management plans.
This is a video from Simplilearn that covers ITIL Change Management process.