Industry 4.0 represents a pivotal phase in the evolution of industrial processes, marked by the fusion of digital technologies, automation, and data-driven intelligence. At the heart of this revolution stands Artificial Intelligence (AI), a transformative force reshaping the landscape of manufacturing, logistics, and service industries. This book explores the profound impact of AI in Industry 4.0, focusing on key areas such as efficiency, decision-making, predictive maintenance, customization, collaboration, and sustainability. AI empowers organizations to optimize processes, make data-driven decisions, predict equipment failures, tailor products and services to individual preferences, enhance human-machine collaboration, and advance sustainability efforts. As AI continues to advance, it not only drives efficiency but also fuels innovation and competitiveness, ultimately shaping the future of industry and the way we live and work.