 In this lesson we are going to talk about how to download and install Selenium IDE extension for Firefox web browser. First let's go to the website seleniumhq.com Then let's go to the download section, let's scroll down to the Selenium IDE and we want to download latest version of IDE extension from addonsmosella.org So we'll click here and this addons is for Selenium IDE which is an integrated development environment for Selenium tests. It's implemented as a Firefox extension and allows us to record, edit and debug tests. We want to add it to Firefox web browser, let's install it and let's restart Firefox. And now Selenium IDE is been installed on our Firefox as an extension. That's all in this lesson, thanks for watching.