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Firefox for Mac

Firefox 66.0.3

  -  64.8 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Firefox 66.0.3.


For those interested in downloading the most recent release of Firefox for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Firefox 66.0.3 Screenshots

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    Firefox 66.0.3 Screenshot 1
  • Firefox 66.0.3 Screenshot 2
  • Firefox 66.0.3 Screenshot 3
  • Firefox 66.0.3 Screenshot 4
  • Firefox 66.0.3 Screenshot 5

What's new in this version:

Fixed:
- Address bar on tablets running Windows 10 now behaves correctly
- Performance issues with some HTML5 games
- Fixed a bug with keypress events in IBM cloud applications
- Fix for keypress events in some Microsoft cloud applications

Changed:
- Updated Baidu search plugin