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My mac osx version isn't compatible with Firefox4 & can't retrieve earlier firefox version

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I am running mac tiger. Today I downloaded firefox4 for upgrade, wrote over older version of firefox (3.6?), then when I tried to log onto internet using firefox4, I got the message that it was not compatible with my current operating system. How can I get back to older version of firefox?

I am running mac tiger. Today I downloaded firefox4 for upgrade, wrote over older version of firefox (3.6?), then when I tried to log onto internet using firefox4, I got the message that it was not compatible with my current operating system. How can I get back to older version of firefox?

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I am having the same problem. Where can I get Firefox 3.6???? Not happy with the lack of information on the systems requirement for the new version.

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See the link in my first post to download 3.6

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Thanks for the link. BIG help.