These improvements came in the wake of decreasing market share to Google Chrome, as well as concerns that its performance was lapsing in comparison. Mozilla support center states that Mozilla announced a project known as Quantum in 2016, which sought to improve Firefox’s Gecko engine and other components in order to improve Firefox’s performance, modernize its architecture, and transition the browser to a multi-purpose model.

I will show you how to downgrade Firefox version. Firefox has an updated version, just in case you are not comfortable with the updated version and you would love to get back to your previous version. Its sibling, Firefox for Android, is available for Android. Firefox is available for Windows, Mac OS, Linux, and BSD operating systems. Check here to confirm the code for your preferred lnaguage.Mozilla Firefox is a free and open-source web browser developed by Mozilla Foundation and its subsidiary, Mozilla Corporation. After navigating into the platform directory open the directory corresponding to the language you want Firefox to use e.g for US English the correct directory is /en-US/, for British English /en-GB/ and for Canadian English /en-CA/.For versions without EME (Encyrpted Media Extensions i.e DRM) use the directories with EME-free appended to their name.For Mac versions use the directory: …/#version-no#/mac/.

For the Firefox Snap Package use the directory: …/#version-no#/snap/.For Linux 32-bit (x86) versions use the directory: …/#version-no#/linux-i686/.For Linux 64-bit (圆4) versions use the directory: …/#version-no#/linux-x86_64/.For Windows AArch64 (ARM64) versions use the directory: …/#version-no#/win64-aarch64/.For Windows 32-bit (x86) versions use the directory: …/#version-no#/win32/.

For Windows 64-bit (圆4) versions use the directory: …/#version-no#/win64/.Directories for specific platforms (replace version-no# with the Firefox version number you want):.Directories for the Beta versions have the letter b appended at the end of their names followed by beta number e.g 89.0b1/.Directories for the ESR versions have the letters esr appended at the end of their names e.g 78.0esr/.

Install older versions of firefox