We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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 upgraded to Firefox 4, and it says my operating system, Mac OS X 10.4.11, doesn't support this. How can I get back to Firefox 3?

  • 2 majibu
  • 2 wana tatizo hili
  • Last reply by cor-el

more options

I'd prefer to just go back to the old firefox rather than spending $30 to upgrade the OS because I'm going to be getting a new laptop in a couple of months

I'd prefer to just go back to the old firefox rather than spending $30 to upgrade the OS because I'm going to be getting a new laptop in a couple of months

All Replies (2)

more options

You can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

Mozilla are working to prevent Mac users with non-compatible systems from getting the notification about Firefox 4, and also not displaying the "Download Firefox 4" button on http://www.mozilla.com

more options

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For Mac OS X 10.4.11 or Mac OS X 10.5.8 you can look at: