Selenium IDE has been installed, so let's take some time to familiarize ourselves with Selenium IDE. This will give us the foundation that we can use in later chapters.
Open up Selenium IDE by going through the tools menu in Mozilla Firefox. The steps are Tools | Selenium IDE. A window will appear. If the menu bar is not available, which is now the default in Firefox, you can launch Selenium IDE via Firefox | Web Developer | Selenium IDE.
Starting from the top, I will explain what each of the items are: