Download Firefox 139.0 (64-bit)

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

Updated: May 27, 2025

Size: 69.2 MB

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69.2 MB · May 27, 2025

Firefox Setup 139.0.exe

Previous versions More »

146.0.1 December 19, 2025 82.3 MB 146.0 December 10, 2025 82.3 MB 145.0.2 November 26, 2025 81.9 MB 145.0.1 November 19, 2025 81.9 MB 145.0 November 11, 2025 82 MB 144.0.2 October 29, 2025 79.9 MB