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.
Current version: 67.0.1p1 (2019-06-11)
Previous versions: 67.0p1 (2019-05-21) 66.0.5p1 (2019-05-08)
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- Small problems with displaying right-to-left languages
- The crash reporter doesn't work (it itself crashes)
- A useless empty share menu is visible on OS X 10.7
- The sandbox (a security feature intended to protect you from malicious websites) does not work, and has been disabled
- No automatic updates