Try Firefox 3 Beta on Mac without losing Firefox 2.x preferences by using a separate profile. Quickly switch between versions or run concurrently by creating a new profile and keeping all of your data safe.
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Our system has scanned the download for viruses, and we suggest that you also check the files before installation. The version of MultiFireFox you are about to download is 2.1 Build 001, and the download will be provided as is, with no modifications or changes made on our end.