Learn the fundamentals of Jenkins, a popular CI/CD tool used in DevOps, in this comprehensive 3-hour tutorial. Explore Jenkins basics, architecture, GitHub integration, installation, and configuration. Create your first Jenkins Pipeline, integrate Maven and Jenkins with Selenium, and perform cross-browser testing using the Jenkins Plugin. Gain practical insights into automating software development pipelines and implementing Jenkins best practices. Cover topics such as Jenkins features, real-time applications, and integration with GitHub. Follow step-by-step instructions to set up Jenkins controllers and agent nodes in Windows and Azure environments. By the end of this tutorial, you'll have the knowledge to leverage Jenkins for more efficient and effective DevOps workflows.