Minimizing browser windows in Selenium WebDriver using JUnit is a useful operation for managing test environments and freeing up screen space during automation testing. With the advent of Selenium 4, a new minimize() method simplifies this process, allowing users to reduce browser windows to taskbar icons, improving upon the limitations of previous versions that only allowed window maximization. This tutorial explores various methods of minimizing browser windows, including the setPosition() method and keyboard shortcuts using the Robot Class for Windows machines. It demonstrates the application of these techniques across different browsers using the LambdaTest cloud-based Selenium Grid, which supports parallel testing. These capabilities enable testers to efficiently manage multiple test scenarios and browser contexts, enhancing their automation workflows.