To install Selenium on CentOS 8, you can follow the steps below: 1. Install Python: ``` sudo dnf install python3 ``` 2. Install pip (Python package installer): ``` sudo dnf install python3-pip ``` 3. Install Selenium using pip: ``` sudo pip3 install -U selenium ``` Once Selenium is installed, you can start using it for web automation and testing purposes. Selenium is an open-source framework that allows you to automate web browsers. It provides a wide range of tools and libraries for web browser automation, including controlling browser actions, form submissions, and JavaScript execution. With Selenium, you can write scripts in various programming languages, such as Python, Java, C#, etc., to automate repetitive tasks on websites, perform web scraping, run functional tests, and more. It supports all major web browsers like Chrome, Firefox, Safari, and Microsoft Edge, enabling you to write browser automation scripts that work cross-browser. Selenium also integrates well with other testing frameworks like pytest and Robot Framework, allowing you to write robust and scalable test automation suites. Now that you have installed Selenium, you can start exploring its powerful features and automate browser interactions on your website.