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My older Mac will not run Firefox 4. How do I revert to 3.6

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I tried to upgrade to 4.0 but the screen said it would not run in this architecture. I assume that it is because I do not have an intel based Mac. How do I revert to 3,6?

I tried to upgrade to 4.0 but the screen said it would not run in this architecture. I assume that it is because I do not have an intel based Mac. How do I revert to 3,6?

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

There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox