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Mozilla Firefox, Portable Edition Beta, Aurora, and Nightly

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Mozilla Firefox, Portable Edition Test Versions are test versions of the popular Firefox web browser or test versions of the Gecko layout engine bundled with a PortableApps.com Launcher as a portable app that are being made available for testing purposes only, and are intended for web application developers and our testing community. For everyday use, please use Mozilla Firefox, Portable Edition.

You can also install the latest aurora build or latest nightly build.

Mozilla Firefox, Portable Edition 32.0 Beta 1

The current Firefox Beta release. From Mozilla: "This is pre-release software: you may encounter compatibility problems with some websites and add-ons."

Download Mozilla Firefox, Portable Edition Beta

Version 32.0 Beta 1 for Windows, English
17MB download / 77MB installed (Details)

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Install Note: This will install alongside a Mozilla Firefox, Portable Edition installation by default in a FirefoxPortableTest directory. The installer supports upgrading existing stable installations by manually changing the install location, though this is not recommended.

Mozilla Firefox, Portable Edition 32.0 Beta 1 Localizations

Language Version Link
Arabic عربي 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Chinese (Simplified) 中文 (简体) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Chinese (Traditional) 正體中文 (繁體) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Dutch Nederlands 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
English English 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
EnglishGB English (British) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
French Français 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
German Deutsch 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Hungarian Magyar 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Italian Italiano 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Japanese 日本語 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Korean 한국어 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Polish Polski 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Portuguese (Brazilian) Português (do Brasil) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Portuguese (Portugal) Português (Europeu) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Russian Русский 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Spanish (Spain) Español (de España) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta
Spanish (International) Español (internacional) 32.0 Beta 1 Download Mozilla Firefox, Portable Edition Beta

Mozilla Firefox, Portable Edition Aurora 33.0 Alpha 2

Download Mozilla Firefox, Portable Edition Aurora

Version 33.0 Alpha 2 for Windows, English
17MB download / 77MB installed

Mozilla Firefox, Portable Edition Nightly 34.0 Alpha 1 Pre (32-bit and 64-bit)

Download Mozilla Firefox, Portable Edition Nightly

Version 34.0 Alpha 1 Pre x86 for Windows, English
17MB download / 77MB installed

Note that the 64-bit version below will not work on 32-bit Windows machines. PortableApps.com does not normally publish or recommend 64-bit-only portable apps as per our policies and recommendations on 64-bit portable apps. An exception is made specifically for testing of the 64-bit Firefox Nightly builds. The 64-bit build is generally not as stable or as fast as the 32-bit build. It should be noted that no stable, beta or even alpha versions of 64-bit Firefox are yet planned.

Download Mozilla Firefox, Portable Edition Nightly

Version 34.0 Alpha 1 Pre x64 for Windows, English
17MB download / 77MB installed

Multiprocess In Nightly: You can turn on multiprocess mode in the nightly build by setting browser.tabs.remote to true in about:config and then restarting Firefox.

Support

osi_certified.pngThough there is no support specifically for this test release, the pages for Firefox Portable Support should help.

Download Details

SourceForge.net
  • Publisher: PortableApps.com (John T. Haller) and Mozilla
  • System Requirements: Windows XP/Vista/7/8, Wine on Linux/UNIX
  • License: Free / Open Source (Launcher: GPL, Firefox: MPL/GPL/LPGL under Mozilla EULA)
  • Source Code: Launcher source (included), Firefox

Mozilla®, Firefox® and the Firefox logo are registered trademarks of the Mozilla Foundation and are used under license.