Mozilla/5.0 (iPhone; CPU iPhone OS 144 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/87.0.4280.163 Mobile/15E148 Safari/604.1 14.4 Chrome Mobile iOS. Firefox version 78 is the last supported Firefox version for Mac users of OS X 10.9 Mavericks, OS X 10.10 Yosemite and OS X 10.11 El Capitan. These users will be moved to the Firefox Extended Support Release (ESR) channel by an application update. We're not only compatible with Mac OS X 10.4 and 10.5, but we also build our browser specially optimized for your G3, G4 or G5, add AltiVec TM JPEG, HTML and WebM decoding acceleration for G4 and G5 Macintoshes, and soup up JavaScript performance with IonPower, our best-in-class just-in-time PowerPC script compiler. One of our four versions is.

Firefox 38.0

Windows

Operating Systems

• Windows XP SP2
• Windows Server 2003 SP1
• Windows Vista
• Windows 7
• Windows 8

Please note that while the 32-bit and 64-bit versions of Windows Vista and Windows 7 can be used to run Firefox, only 32-bit builds of Firefox are supported at this time.

Recommended Hardware

• Pentium 4 or newer processor that supports SSE2
• 512MB of RAM
• 200MB of hard drive space

Mac

Operating Systems

• Mac OS X 10.6
• Mac OS X 10.7
• Mac OS X 10.8
• Mac OS X 10.9
• Mac OS X 10.10

Recommended Hardware

• 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.

Mozilla Mac Os X

• Firefox will not run at all without the following libraries or packages:
  • GTK+ 2.18 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++ 4.3 or higher
• For optimal functionality, we recommend the following libraries or packages:
  • NetworkManager 0.7 or higher
  • DBus 1.0 or higher
  • HAL 0.5.8 or higher
  • GNOME 2.16 or higher

Mozilla Foxfire For Mac Os X

All Firefox downloads