Download Selenium Server

Download the latest version of selenium server jar from http://seleniumhq.org and store in a safe location in your local drive.

The selenium server jar file is generally of following format :

selenium-server-standalone-x.xx.x.jar

Running Selenium Server

Follow the following simple steps to run selenium server :

1. Open command-prompt/terminal.
2. Navigate to the directory where you have saved the downloaded file.
3. Use the command given below to start selenium server

java -jar selenium-server-x.xx.x.jar

Below is an example snap for better understanding :

Now you can start running selenium script in browser.

Note: Before executing any selenium script you need to start selenium server.

   Press (Ctrl + c) to stop the server.

For more details please go through Getting started with Selenium RC (selenium 1)