Firefox Legacy is an unofficial modified version of Mozilla Firefox that works on Mac OS X 10.7 Lion, 10.8 Mountain Lion, and all later versions.
Download it now and breathe new life into your old Macs!
Mac OS X 10.6 and older are not, and will never be, supported, due to technical limitations.
Previous versions: 66.0.5p1 (2019-05-08)
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