Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

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Firefox System Requirements

Firefox ESR 115.17.0

Windows

Operating Systems (32-bit and 64-bit)

  • Windows 7
  • Windows 8 or 8.1
  • Pentium 4 or newer processor that supports SSE2
  • 512MB of RAM / 2GB of RAM for the 64-bit version
  • 200MB of hard drive space

Mac

Operating Systems

  • macOS 10.12
  • macOS 10.13
  • macOS 10.14
  • Mac computer with an Intel x86 or Apple silicon processor
  • 512 MB of RAM
  • 200 MB hard drive space

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