Download Firefox 143.0 (64-bit)

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

Updated: September 17, 2025

Size: 79.1 MB

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79.1 MB · September 17, 2025

Firefox Setup 143.0.exe

Previous versions More »

143.0.1 September 21, 2025 79 MB 143.0 September 17, 2025 79.1 MB 142.0.1 August 28, 2025 78.6 MB 142.0 August 20, 2025 78.6 MB 141.0.3 August 08, 2025 78.2 MB 141.0.2 August 06, 2025 78.2 MB