One of the World`s Most Popular Web Browsers for Mac

Firefox for Mac

Firefox 15.0.1

  -  32.55 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 15.0.1.


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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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Firefox 15.0.1 Screenshots

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    Firefox 15.0.1 Screenshot 1
  • Firefox 15.0.1 Screenshot 2
  • Firefox 15.0.1 Screenshot 3
  • Firefox 15.0.1 Screenshot 4
  • Firefox 15.0.1 Screenshot 5

What's new in this version:

- Sites visited while in Private Browsing mode could be found through manual browser cache inspection (787743)
- Silent, background updates
- Support for SPDY networking protocol v3
- WebGL enhancements, including compressed textures for better performance
- Localization in Maithili (see all available locales)
- Optimized memory usage for add-ons
- JavaScript debugger integrated into developer tools
- New layout view added to Inspector
- High precision event timer implemented
- The CSS word-break property has been implemented.
- New responsive design tool allows web developers to switch between desktop and mobile views of sites
- Native support for the Opus audio codec added
- The element now supports the media attribute
- Focus rings keep growing when repeatedly tabbing through elements (720987)