Choose the OS corresponding to your OS.You’ll see different builds for different OSes – Linux, Mac, Windows, etc.Click on the version you wish to download.Open Firefox’s directory of other versions and languages.The process to download older versions of Firefox is relatively simple. Method 1: Download older versions directly from Mozilla For the second method, you won’t even require downloads.īut more on that later. This article two easy methods to test on older versions of Firefox.

Whatever site they may be developing/upgrading/altering, its functionalities need to work seamlessly with Firefox and the older versions of it.ĭownloading, installing and setting up different versions of Firefox for testing can be a chore. This means that Firefox is essential for software testers to test websites on their list of browsers. And, since people tend to keep using tools they are comfortable with, users of Firefox are unlikely to move to another browser. Enough users leverage Firefox to access the internet, and its billion+ websites. While Firefox may not have the market shares of Chrome or Safari, it is still one of the most well-known browsers in the world.

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