Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

I installed FF4 on Mac OS 10.4.11. Says it cannot operate with my system. Old FF gone. New FF won't work. HOW DO I RECOVER?

JPC811
JPC811

I installed FF4 on Mac OS 10.4.11. Says it cannot operate with my system. Old FF gone. New FF won't work. HOW DO I RECOVER?

I installed FF4 on Mac OS 10.4.11. Says it cannot operate with my system. Old FF gone. New FF won't work. HOW DO I RECOVER?

All Replies (1)

Matt Brubeck
Matt Brubeck

You can re-download the previous version of Firefox from http://www.firefox.com/all-older.html