Jenkins is a widely-used open-source tool for continuous integration and continuous delivery (CI/CD) that is popular among DevOps professionals due to its extensive community support and over 1,500 plugins. It facilitates the automation of software development processes by monitoring repetitive tasks and simplifying the build and test phases. This tutorial provides a comprehensive guide to setting up and using Jenkins Pipeline, an essential feature for defining deployment workflows as code using Jenkinsfile. Additionally, it covers the integration of Jenkins with the LambdaTest Selenium Grid for automated cross-browser testing, highlighting the benefits of using Jenkins Pipeline, such as parallel test execution and user feedback integration. The tutorial also includes step-by-step instructions for installing Jenkins on Windows and configuring the LambdaTest Jenkins plugin to enhance testing coverage and quality. Overall, Jenkins Pipeline offers a structured approach to managing the software development lifecycle, promoting efficient and reliable application delivery.