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.

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 cant install the lastest firefox on my Mac. Can you please advise me which version is the newest ot use on my Mac 10.5.8 GHz PowerPC G5?

  • 1 reply
  • 2 have this problem
  • 3 views
  • Last reply by cor-el

NickGarrish
NickGarrish
more options

I wanted to install the newest version on my Mac then it wouldnt work.

I wanted to install the newest version on my Mac then it wouldnt work.

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

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

For an unofficial Firefox 4 compatible version (TenFourFox) that runs on PowerPC Macs with OS X 10.4.11 or OS X 10.5.8 you can look at:

Firefox 3.6.x (Mac OS X 10.4 and later) can be found here: