To get separate 32-bit and 64-bit full offline setups for Windows go to If you want to have both then install each in their own separate folders and make sure the desktop shortcuts are pointing to correct ones.
Is it possible to get access to a real installer package rather than to let the default installer choose the version for me under the hood? After uninstalling it, I have used Everything Search to delete every folder named Mozilla or Firefox.
The problem I run into on this Windows 7 machine is that when I download and run the 32-but installer, it installs the 64-bit browser. Read this answer in context ? 2 All Replies (3) You will not be able to run both at same time with same Profile as you need to start with ProfileManager or specific Profile and -no-remote switch. If you download from while on Windows you get served a online stab installer that will install 32-bit or it will do 64-bit if your system supports as in 64-bit Windows 7, 8, 10 and at least 2GB RAM. Google pulled off a similar move when it released Chrome 58 in May this year, moving 32-bit Chrome users on Windows 64-bit to 64-bit versions of the browser.Mont圜ulligan said The problem I run into on this Windows 7 machine is that when I download and run the 32-but installer, it installs the 64-bit browser. Currently, the Windows stub installer will set up the 32-bit version by default, even on 64-bit platforms.įirefox 56 is scheduled for release on September 26, 2017, while Firefox 55 is expected on August 8, 2017. According to Mozilla statistics, 92% of Windows users have more than 2GB of RAM, meaning most 32-bit Firefox users on 64-bit Windows will receive the 64-bit version in September.Īdditionally, with the release of Firefox 55 Mozilla plans to modify the Windows stub installer to set up the 64-bit Firefox version by default for eligible users (Windows 64-bit and 2GB+ of RAM). The only condition is that they have more than 2GB of RAM. Mozilla plans to move the bulk of these 70% to Firefox 64-bit. Mozilla says that 70% of Firefox users on 64-bit Windows are still running the 32-bit version.
In spite of the obvious performance boost, adoption of the Firefox 64-bit version is still low. Only 30% of Windows 64-bit users run Firefox 64-bit Since then, Mozilla has improved its 64-bit version, and last summer decided that it will make its 64-bit version the focal point of its development. The first Firefox 64-bit version was delivered on December 15, 2015, with the release of Firefox 43. Mozilla didn't always provide a 64-bit version of Firefox. This browser version offers gains in performance for Firefox users with 64-bit PCs. On Decemwe released the 64-bit Firefox web browser for Windows 7 64-bit systems.
Obviously, the only ones that will be auto-migrated are users who run 32-bit versions of Firefox on computers with 64-bit architectures. UPDATE : 64-bit Firefox is now the default on 64-bit Windows. Mozilla engineers have decided that starting with Firefox 56 they will silently and forcibly auto-upgrade some users of 32-bit Firefox to 64-bit versions.