Firefox System Requirements

Firefox ESR 115.18.0

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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