Download Firefox 139.0.1 (64-bit)

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

Updated: May 31, 2025

Size: 69.2 MB

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69.2 MB · May 31, 2025

Firefox Setup 139.0.1.exe

Previous versions More »

142.0.1 August 28, 2025 78.6 MB 142.0 August 20, 2025 78.6 MB 141.0.3 August 08, 2025 78.2 MB 141.0.2 August 06, 2025 78.2 MB 141.0 July 22, 2025 78.2 MB 140.0.4 July 09, 2025 69.5 MB