| Firefox 13 | Firefox | Firefox 27 | Firefox 28 | |
| 13.0.1 | 136.0.1 | 27.0.1 | 28.0 | |
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| Freeware | Open Source | Freeware | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 15.80 MB | 0.36 MB | 23.50 MB | 24.00 MB | File size |
| Jun 15, 2012 | Mar 17, 2025 | Feb 13, 2014 | Mar 18, 2014 | Update |
| 60 | 135 | 74 | 72 | Downloads |
| Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 | Windows 11, Windows 10 32/64 bit | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64 | OS |
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