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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 for Android Beta 49.0beta

Operating systems

  • Android 4.0
  • Above versions

Requirements

  • 50 MB internal storage
  • 384 MB of RAM
  • display at least 320 pixels high and 240 pixels wide

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