Download Firefox 138.0.3 (64-bit)

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

Updated: May 14, 2025

Size: 68.8 MB

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68.8 MB · May 14, 2025

Firefox Setup 138.0.3.exe

Previous versions More »

147.0.1 January 18, 2026 82.3 MB 147.0 January 13, 2026 82.2 MB 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