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 »

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 140.0.2 June 29, 2025 69.4 MB 140.0.1 June 28, 2025 69.4 MB