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

using mac os 10.4, downloaded latest version of firefox only to find that it isn't compatible with this system. how do i get the previous version back?

  • 2 cavab
  • 1 has this problem
  • 2 views
  • Last reply by al.27

more options

Notification for an update appeared, I proceeded with the update, attempted to start up the new version and was told it is not compatible with mac os 10.4, the version I am currently using. How can I get the former version of firefox back so that I can continue using this application?

Notification for an update appeared, I proceeded with the update, attempted to start up the new version and was told it is not compatible with mac os 10.4, the version I am currently using. How can I get the former version of firefox back so that I can continue using this application?

All Replies (2)

more options

Seçilmiş Həll

more options

Thanks for your help.