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Your best choice for an internet browser

Choose which Firefox Browser to download in your language. Everyone deserves access to the internet — your language should never be a barrier. That’s why — with the help of dedicated volunteers around the world — we make the Firefox Browser available in more than 90 languages.

Older versions of Mozilla Firefox

Download Latest Version PortableApps.comPlatformSetup17.1.1.paf.exe (5.4 MB) Get Updates Get project updates, sponsored content from our select partners, and more.
Mozilla Firefox is a fast, light and tidy open source web browser. At its public launch in 2004 Mozilla Firefox was the first browser to challenge Microsoft Internet Explorer’s dominance. Since then, Mozilla Firefox has consistently featured in the top 3 most popular browsers globally and this is set to continue thanks to the release of.

It's not uncommon for the latest version of an app to cause problems when installed on older smartphones. Sometimes newer versions of apps may not work with your device due to system incompatibilities. Until the app developer has fixed the problem, try using an older version of the app. If you need a rollback of Mozilla Firefox, check out the app's version history on Uptodown. It includes all the file versions available to download off Uptodown for that app. Download rollbacks of Mozilla Firefox for Windows. Any version of Mozilla Firefox distributed on Uptodown is completely virus-free and free to download at no cost.

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