Download Mozilla Firefox 157.0.1 / 158.0 Beta 5

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145 downloads this week 8.6K all time 89MB file size updated Oct 8, 2026

Mozilla Firefox 157.0.1

x64

Firefox%20Setup%20157.0.1.exe

Mozilla Firefox 157.0.1

Firefox%20Setup%20157.0.1.exe

Mozilla Firefox 157.0.1 - for macOS

macOS

Firefox%20157.0.1.dmg

Mozilla Firefox 157.0.1 - for Linux

Linux

firefox-157.0.1.tar.xz

Mozilla Firefox 158.0 Beta 5

Firefox%20Setup%20158.0b5.exe

Mozilla Firefox 158.0 Beta 5

x64

Firefox%20Setup%20158.0b5.exe

Mozilla Firefox 158.0 Beta 5 - ARM64

ARM64

x64

Firefox%20Setup%20158.0b5.exe

Mozilla Firefox 158.0 Beta 5 - for Linux

Linux

firefox-158.0b5.tar.xz

Mozilla Firefox 158.0 Beta 5 - for macOS

macOS

Firefox%20158.0b5.dmg

Mozilla Firefox 157.0.1 / 158.0 Beta 5 - Info & Reviews

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What is Mozilla Firefox?

Firefox gives you a fast, private browser backed by Mozilla - a non-profit organization that fights for your online rights rather than your data.

Mozilla Firefox screenshots

Mozilla Firefox interface, screenshot 1

Mozilla Firefox interface, screenshot 2

See all 2 screenshots before you download

How to Download Mozilla Firefox

1 Click the DOWNLOAD button for your preferred link (US/EU Main or Mirror). When prompted by your browser, choose "Save" and select a destination folder.
2 We recommend using the mirror links (EU MIRROR / US MIRROR) first - they tend to be faster and more reliable than external sources.
3 Having trouble downloading Mozilla Firefox? If the download doesn't start, click the link again or try a different browser (Firefox/Chrome). Some security software may block downloads due to false positives.