What’s the difference between 32-bit and 64-bit? How much less? In our tests so far, 64-bit Firefox reduced crashes by 39% on machines with 4GB of RAM or more. That means you get a more secure version of Firefox, one that also crashes a whole lot less. $ cd /usr/binįinally, create a symbolic link pointing to the Firefox you just installed.Users on 64-bit Windows who download Firefox can get our 64-bit version by default. If your system already has another version of Firefox installed (e.g., /usr/bin/firefox), create a backup as follows. $ sudo tar xvfvj ~/Downloads/firefox-3.5.9.tar.bz2 -C /opt Once you have downloaded a Firefox tar file from the archive, untar it in your system.
64-bit binaries are available only for version 4.0 and higher. 32-bit Firefox binary is contained in " linux-i686" folder, and 64-bit counterpart is in " linux-x86_64" folder. In the above archive, there are two binaries available for each version. The following is 5-minute guide to do it.įirst, download the version of Firefox that you want from Mozilla FTP archive. It is not very complicated to install an old version of Firefox on Linux. While it is recommended that for security reasons, you always stay up-to-date with the latest release of Firefox, you may still want to go back to an old version of Firefox if it is absolutely necessary. Some of your favorite add-ons could no longer work after Firefox update you may want to try out an old Firefox extension which has not been updated for too long a time to be compatible with the latest Firefox some web application's user interface may no longer be accessible after you have upgraded your Firefox, etc. There could be several reasons why you want to stick with a specific (old) version of Firefox web browser, instead of updating it to the latest version. How to install an old version of Firefox on Linux
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