Offering a clear and professionally sound presentation of the modernised ICB 4.0 framework (effective from January 1, 2024), this book follows the five project management phases of DIN 69901:2009, and supplements chapters on cross-phase competencies and agile methods. Its structured content, illustrated by a consistent project example, not only guides readers but also ensures they are well-prepared to meet the IPMA ICB 4.0 examination requirements. This book serves as an essential resource for anyone looking to engage in professional project management, equipping them with the knowledge and skills needed to succeed in current practices.