Download older firefox 4

In product documentation we need to say that Our product is certified with version X of this browser. Major version change should imply major changes If you are producing software how do you detect the Firefox version and show whether or not it is compatible? If you are, or your clients are in a corporate environment there is a possibility that Firefox ESR will be in use. My understanding is that ESR has been brought out primarily to deal with this sort of problem ensuring software may be certified in an enterprise, and does not change as often so it will remain as Firefox 10 with point releases for a while.

Firefox Important : By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences.

In the General panel, go to the Firefox Updates section. Microsoft Edge. Google Chrome Opera. Was this article helpful? Volunteer Grow and share your expertise with others. Learn More. Mozilla Foundation Meet the not-for-profit behind Firefox that stands for a better web.

Get involved Join the fight for a healthy internet. Careers Work for a mission-driven organization that makes people-first products. Mozilla Blog Learn about Mozilla and the issues that matter to us. Close Innovation menu Mozilla Hubs Gather in this interactive, online, multi-dimensional social space. Firefox Developer Edition Get the Firefox browser built just for developers.

Firefox Reality Explore the web with the Firefox browser for virtual reality. Common Voice Donate your voice so the future of the web can hear everyone. Wikipedia tells us there are , daily speakers. Mozilla Foundation Meet the not-for-profit behind Firefox that stands for a better web. Get involved Join the fight for a healthy internet. Careers Work for a mission-driven organization that makes people-first products. Mozilla Blog Learn about Mozilla and the issues that matter to us.

Close Innovation menu Mozilla Hubs Gather in this interactive, online, multi-dimensional social space. Firefox Developer Edition Get the Firefox browser built just for developers. Firefox Reality Explore the web with the Firefox browser for virtual reality.

Common Voice Donate your voice so the future of the web can hear everyone. Added features to Reader Mode that make it easier on the eyes and the ears Controls that allow users to adjust the width and line spacing of text Narrate, which reads the content of a page out loud Improved video performance for users on systems that support SSSE3 without hardware acceleration Added context menu controls to HTML5 audio and video that let users loops files or play files at 1.