Download Mozilla Firefox, a free web browser. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today! Download Mozilla Firefox for Mac OS X (Free) Released in late June, Java for Mac OS X 10.6 Update 5 delivered improved compatibility, security, and reliability by updating Java SE 6 to 1.6.026. The Mac OS X Lion 10.7.5 DMG is an upgrade of OS X version 10.7 to improve the stability, compatibility, and security of the Mac. Mac OS X Lion 10.7.5 Review. Mac OS X Lion 10.7.5 DMG is an upgrade of OS X version 10.7 to improve the stability, compatibility, and security of the Mac. It is recommended for all OS X Lion users and includes. Download Old Version of Firefox for Mac for Mac OS X 10.7 (Lion) (Intel) Skip Development Versions tead.
Firefox 51.0
Windows
Operating Systems (32-bit and 64-bit)
- Windows XP SP2
- Windows Server 2003 SP1
- Windows Vista
- Windows 7
- Windows 8
- Windows 10
Please note that 64-bit builds of Firefox are only supported on Windows 7 and higher.
To install Firefox on a Windows XP system, because of Windows restrictions, the user will have to download Firefox 43.0.1 and then update to the current release.
From Firefox 53 planned for April 2017, Windows XP/Vista/Server 2008 are no longer supported. These users should migrate to ESR 52 once available (planned for March 2017).
Recommended Hardware
- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
Mac
Operating Systems
Firefox For Mac 10.6.8
- Mac OS X 10.9
- Mac OS X 10.10
- Mac OS X 10.11
Recommended Hardware
Firefox 51.0
Windows
Operating Systems (32-bit and 64-bit)
- Windows XP SP2
- Windows Server 2003 SP1
- Windows Vista
- Windows 7
- Windows 8
- Windows 10
Please note that 64-bit builds of Firefox are only supported on Windows 7 and higher.
To install Firefox on a Windows XP system, because of Windows restrictions, the user will have to download Firefox 43.0.1 and then update to the current release.
From Firefox 53 planned for April 2017, Windows XP/Vista/Server 2008 are no longer supported. These users should migrate to ESR 52 once available (planned for March 2017).
Recommended Hardware
- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
Mac
Operating Systems
Firefox For Mac 10.6.8
- Mac OS X 10.9
- Mac OS X 10.10
- Mac OS X 10.11
Recommended Hardware
Firefox For Mac Os X 10.7.55
- Macintosh computer with an Intel x86 processor
- 512 MB of RAM
- 200 MB hard drive space
GNU/Linux
Software Requirements
Please note that GNU/Linux distributors may provide packages for your distribution which have different requirements.
- Firefox will not run at all without the following libraries or packages:
- GTK+ 3.4 or higher
- GLib 2.22 or higher
- Pango 1.14 or higher
- X.Org 1.0 or higher (1.7 or higher is recommended)
- libstdc++ 4.6.1 or higher
- For optimal functionality, we recommend the following libraries or packages:
- NetworkManager 0.7 or higher
- DBus 1.0 or higher
- GNOME 2.16 or higher
Mozilla Firefox 5.0.1 For Mac Os X 10.7 Lion
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