Latest Firefox Released for Windows

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   Warning

Firefox 115 is now the last version supported on Windows 7, 8 and 8.1.Mozilla will provide security updates for Firefox 115 ESR until the end of August 2026. It was previously announced that support would end in February 2026, but in order to ensure our users can continue to browse the web, we will extend support another six months and re-evaluate. After that, if support is not extended, users should upgrade their operating system to continue receiving Firefox security and feature updates.Firefox users on Windows 7, 8 and 8.1 moving to Extended Support Release | Firefox Help

Firefox 115 ESR support has been recently extended until March 2027

We have decided to extend support to ESR 115 only on Windows 7-8.1 and macOS 10.12-10.14 up to March 2027.