This review paper discusses how Industry 4.0 and advanced manufacturing, along with artificial intelligence, are changing industries. The goal is to automate processes and make them more efficient by integrating and making them intelligent. The focus is on understanding Industry 4.0 and current manufacturing systems, aiming to reduce waste and improve efficiency. The key findings highlight the emergence of new manufacturing techniques characterized by integrated and intelligent manufacturing, with the objective of providing an overview of Industry 4.0 and smart manufacturing programs.