Note: Refer to our 3 ways to check if you are running 32 or 64-bit Firefox guide to make sure that you are running 32-bit Firefox before attempting to upgrade!
Here is how to upgrade Firefox 32-bit install to Firefox 64-bit on a Windows.
As we said, the nfs 2 se setup 32-bit version of Firefox is still installed on your.Be sure you dont select the Mozilla Firefox entry with (x64 en-US) at the end, which is the 64-bit version you just installed.You can follow Martin on Facebook, Twitter or Google View all posts by Martin Brinkmann You are here: Home Firefox Mozilla reveals its Firefox 64-bit for Windows plan GitHub Plus easier GitHub downloading Ghacks Deals: Accredited itil Certification: Lifecycle Track (98 off) Follow Us Ghacks.If youre running 32-bit Windows, you cannot upgrade Firefox to 64-bit.So, be sure to click 64 Download link for Windows.If you decide you want to keep the 32-bit version of Firefox so you can run it sometimes, you can find the executable (.exe) file in the C:Programs Files (x86)Mozilla Firefox directory.If youre not sure if youre running 32-bit or 64-bit Firefox, follow our procedures to find out.32.3 of Firefox installations on Windows are 32-bit on a 32-bit.Although you might not see a dramatic performance improvement by upgrading 32-bit program to 64-bit, an x64 file sharing itunes 12.2 program will perform better than an x86 program on an x64 based computer.So, when you launch Firefox using Start menu or taskbar search, mac os x lion iso compressed Windows 10 launches Firefox 64-bit instead of 32-bit.
Tip : Read this guide to find out if you are running a 32-bit or 64-bit version of Firefox.
You could uninstall the 32-bit version and then install the 64-bit version, but doing so will remove your Firefox user data, such as saved passwords, bookmarks, settings, extensions, and themes.
To downgrade to Firefox 32-bit, please download Firefox 32-bit offline installer (using the above mentioned link/page run the installer, and follow simple on-screen instructions.
And all your settings, bookmarks, extensions, themes, etc.
Firefox users on Windows are running 32-bit versions of the browser basically, unless they have downloaded the 64-bit version of Firefox for Windows explicitly.
The first method is to uninstall Firefox 32-bit and then install Firefox 64-bit by manually downloading Firefox 64-bit offline installer.The 64-bit Firefox version for Windows is a fledgling however when compared to the Linux and Mac OS X versions, as it has just been available officially since December 2015.By, martin Brinkmann on in, firefox - Last Update:April 18, 2017 60, the Firefox web browser is available as a 32-bit and 64-bit application for all supported desktop operating systems including Windows.You could back up your profile folders from the 32-bit version of Firefox and then restore them after uninstalling Firefox and installing the 64-bit version.But, now you want to upgrade to the 64-bit version of Firefox for better performance.Since the first method is easy and everyone knows about it, we are talking only about the second method in this article.If for some reason, you want to use Firefox 32-bit, you can find under C:Program Files (x86)Mozilla Firefox directory.While downloads are still hard to find, it seems likely that the availability increased the number of 64-bit Firefox on 64-bit Windows.Most web browsers are installed in Windows as 64-bit versions by default, Firefox being the exception.Between November 2015 and January 2016 : 64-bit Firefox is a non-default option in the stub installer.Again, using our procedures for finding out which version of Firefox youre running, youll discover that youre now running the 64-bit version.