Download Firefox 121.0.1 (64-bit)

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

Updated: January 10, 2024

Size: 57.5 MB

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57.5 MB · January 10, 2024

Firefox Setup 121.0.1.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