This article provides a step-by-step guide to implementing Continuous Integration and Continuous Delivery (CI/CD) in the software development lifecycle. It emphasizes the importance of defining a CI/CD strategy, establishing version control, automating build and test processes, embracing continuous integration and delivery, implementing feedback mechanisms, ensuring environment consistency, fostering a DevOps culture, promoting continuous improvement, and providing training and documentation. By following these guidelines, organizations can enhance development efficiency, software quality, and delivery speed, ultimately resulting in improved productivity and customer satisfaction.