Mozilla Firefox Version 87 Download |best| May 2026

: Disabled the Backspace key as a navigation "Back" shortcut to prevent accidental data loss in forms. How to Download Firefox Version 87

Mozilla maintains an official archive of all past releases. To safely download version 87: Firefox 87.0, See All New Features, Updates and Fixes mozilla firefox version 87 download

: An intelligent tracker-blocking mechanism that prevents websites from breaking when "Strict" Enhanced Tracking Protection is enabled by providing "stand-in" scripts for blocked trackers. : Disabled the Backspace key as a navigation