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how can I run firefox 3.6.7 and firefox 2.x at the same time?

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I have FF 3.6.7 installed. For browser compatibility testing, I need to install FF 2.x as well. perhaps multiple versions of 2.x. how can I do this without removing 3.6.7?

I have FF 3.6.7 installed. For browser compatibility testing, I need to install FF 2.x as well. perhaps multiple versions of 2.x. how can I do this without removing 3.6.7?

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You can do a custom install of other versions and install them in a separate directory. Do not start Firefox after installing, but launch the Profile Manager to create a new profile for each version and create a desktop shortcut to start that version of Firefox with their own profile.


http://kb.mozillazine.org/Profile_Manager
http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows
http://kb.mozillazine.org/Shortcut_to_a_specific_profile