Download Firefox 139.0 (64-bit)

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

Updated: May 27, 2025

Size: 69.2 MB

Download

69.2 MB · May 27, 2025

Firefox Setup 139.0.exe

Previous versions More »

143.0.3 October 01, 2025 79 MB 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