mozilla firefox 21.0

mozilla firefox 21.0

 

Windows

Operating Systems

• Windows XP SP2
• Windows Server 2003
• 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 21, only 32-bit builds of Firefox 21 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

Recommended Hardware

• Macintosh computer with an Intel x86 processor
• 512 MB of RAM
• 200 MB hard drive space

Linux

Software Requirements

Please note that 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+ 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

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