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Firefox 47.0 (64-bit)

  -  45.04 MB  -  Open Source
Free Download

Security Status

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 47.0 (64-bit).


For those interested in downloading the most recent release of Firefox (64-bit) 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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Download Firefox 47.0 (64-bit)

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    Firefox 47.0 (64-bit) Screenshot 1
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What's new in this version:

New
- Support for Google’s Widevine CDM on Windows and Mac OS X so streaming services like Amazon Video can switch from Silverlight to encrypted HTML5 video.
- Enable VP9 video codec for users with fast machines
- Embedded YouTube videos now play with HTML5 video if Flash is not installed.
- View and search open tabs from your smartphone or another computer in a sidebar
- Allow no-cache on back/forward navigations for https resources
- Latgalu [ltg] locale added. Wikipedia tells us there are 164,500 daily speakers.

Fixed
- Various security fixes

Changed
- FUEL (Firefox User Extension Library) has been removed. Add-ons relying on it will stop working.
- The browser.sessionstore.restore_on_demand preference has been reset to its default value (true) to avoid e10s performance problems. Because faster is better!
- The Firefox click-to-activate plugin whitelist has been removed.

Developer
- Web platform changes
- View, start,and debug registered Service Workers in the Service Workers developer tool
- Simulate Push messages in the Service Workers developer tool
- 'Start' button for service workers in about:debugging to start registered Service Workers
- Changes that can affect add-on compatibility
- Added support for ChaCha20/Poly1305 cipher suites
- Custom user agents supported in Responsive Design Mode
- Smart multi-line input in the Web Console

HTML5
- cuechange events are now available on TextTrack objects
- WebCrypto: PBKDF2 supports SHA-2 hash algorithms
- WebCrypto: RSA-PSS signature support

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