Module 4 of the School for Health and Care Radicals focuses on making change happen within health and care systems, emphasizing the importance of aligning intrinsic and extrinsic motivators for successful change. The guide explores reasons for the failure of change efforts, strategies to build shared purpose, and the NHS change model as a framework for integrating various components of change. Additionally, it encourages reflection on personal goals and experiences while providing resources and questions for deeper engagement in the change process.