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where can I find firefox for x86_64 arch

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Hello, I have 64 bits OS on my PC so it is impossible for me to update from firefox 3.6 to firefox 4 because when I try to download firefox from your home page it is only 32 bit version, and if I go in "other systems" page, I only have the choise between 32 bits version of Windows Mac OS X Linux. there is no binary for any of 64bits versions of windows or linux.

because when I download it, it run on a 32bits system, but not on a 64 bits system.

Hello, I have 64 bits OS on my PC so it is impossible for me to update from firefox 3.6 to firefox 4 because when I try to download firefox from your home page it is only 32 bit version, and if I go in "other systems" page, I only have the choise between 32 bits version of Windows Mac OS X Linux. there is no binary for any of 64bits versions of windows or linux. because when I download it, it run on a 32bits system, but not on a 64 bits system.

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Using Galeon (ironically) I was able to see where the 32-bit download was really coming from, and navigate relative to that. If you start at

http://pv-mirror01.mozilla.org/pub/mozilla.org/firefox/releases/

you can navigate down into the desired release, and then into x86_64 architecture.

Bob