Follow step-by-step process to install ide

• First launch/open firefox browser and enter 'seleniumhq.org' in the URL, press enter..
• Click on the version number (ex: 1.7.2) and then click on 'allow' button as shown below..

• Click on 'install now' as shown in below screen

   

• The firefox add-ons will pops up, first showing a progress bar and when the download is complete it displays the following.. Then click on 'Restart Firefox' button..

• Installation of IDE is completed..
• Now your firefox browser will re-start..