Download Firefox 121.0 (64-bit)

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

Updated: December 20, 2023

Size: 57.5 MB

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57.5 MB · December 20, 2023

Firefox Setup 121.0.exe

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140.0.4 July 09, 2025 69.5 MB 140.0.2 June 29, 2025 69.4 MB 140.0.1 June 28, 2025 69.4 MB 140.0 June 24, 2025 69.4 MB 139.0.4 June 11, 2025 69.2 MB 139.0.1 May 31, 2025 69.2 MB