| Firefox 17 | Firefox 18 | Firefox 25 | Firefox 5 | |
| 17.0.1 | 18.0.2 | 25.0.1 | 5.0.1 | |
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| Freeware | Freeware | Freeware | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 18.50 MB | 19.40 MB | 22.20 MB | 13.10 MB | File size |
| Nov 30, 2012 | Feb 5, 2013 | Nov 15, 2013 | Jul 11, 2011 | Update |
| 35 | 42 | 25 | 44 | Downloads |
| 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 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64 | Windows 2000, Windows 2003, Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 | OS |
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