This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

I currently have Firefox 4.o.1, but need Firefox 2.0 in order to comply with a class I am taking online. How do I download Firefox 2.0? I would like to keep Frefox 4.0.1.

more options

The class I am taking says I need Firefox 1.5 or 2.0.

This is what it says, exactly: Your browser: Firefox 4.0.1 MacOSX | JavaScript supported: Yes | screen size: 1280 X 800 | Flash Version Installed: 10.1 r102 | Supports AJAX:Yes |

This browser is not supported. Links to Start, Resume or Start Over any exams in iTest are disabled for this browser. We encourage you to use Microsoft Internet Explorer 6.0 or higher or Mozilla Firefox 1.5 or 2. Use of your Online Student Center in Firefox 3.0 is not yet supported.

Please help.

The class I am taking says I need Firefox 1.5 or 2.0. This is what it says, exactly: Your browser: Firefox 4.0.1 MacOSX | JavaScript supported: Yes | screen size: 1280 X 800 | Flash Version Installed: 10.1 r102 | Supports AJAX:Yes | This browser is not supported. Links to Start, Resume or Start Over any exams in iTest are disabled for this browser. We encourage you to use Microsoft Internet Explorer 6.0 or higher or Mozilla Firefox 1.5 or 2. Use of your Online Student Center in Firefox 3.0 is not yet supported. Please help.

All Replies (2)

more options

See: http://www.oldapps.com/firefox.php

This site goes back to 2004 and FF 0.8

more options

If you just install Firefox 2, you're going to loose your bookmarks, passwords, and other personal data. The files that hold that data have been changed drastically since Firefox 2.

Try using the Mac version of Firefox Portable.
Mac: http://sourceforge.net/projects/osxportableapps/files/Portable%20Firefox%20OS%20X