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Firefox 28 System Requirements

Windows

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

Recommended Hardware

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

Please note that while the 32-bit and 64-bit versions of Windows Vista and Windows 7 can be used to run Firefox 28, only 32-bit builds of Firefox 28 are supported at this time.

Mac

  • Mac OS X 10.6
  • Mac OS X 10.7
  • Mac OS X 10.8

Recommended Hardware

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

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