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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?

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  • Last reply by cor-el

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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.

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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: