Firefox

Browser

Mozilla·Website

Open-source browser by Mozilla

Latest versions

Stable

WindowsmacOSLinux

155.0.11 Sep 2026

Enterprise Stable

WindowsmacOSLinux

140.15.0esr

Channel	Version	Platform	Released	Links
Stable	155.0.1	WindowsmacOSLinux	1 Sep 2026	DownloadWindows macOS Linux Notes
Enterprise Stable	140.15.0esr	WindowsmacOSLinux	—	DownloadWindows macOS Linux Notes

Channel	Version	Platform	Released	Links
Enterprise Stable	140.13.0esr	LinuxmacOSWindows	—	Notes
Enterprise Stable	140.14.0esr	WindowsmacOSLinux	—	Notes
Stable	155.0	LinuxWindowsmacOS	1 Sep 2026	Notes
Stable	154.0.1	LinuxmacOSWindows	28 Aug 2026	Notes
Stable	154.0	WindowsmacOSLinux	18 Aug 2026	Notes

Thunderbird

155.0