Firefox 64-bit

[Rosella Bowlan]

Notethat 64 bit Firefox versions on a 64 bit Windows platform will only support the Shockwave Flash plugin.If you need support for other plugins (Java or media players) then you need to stay with 32 bit Firefox versions.

It does not make any difference at the moment. Not a huge difference anyway. One difference to note though is if you use Firefox in a very heavy way with 100s of tabs and you notice high memory issues. The 64 bit version is able to use more memory (over 4GB) past the 32 bit limitation of 4GB. But if your Firefox is using 4GB of memory, you're already in big trouble. :P

If you don't use Firefox in that way, you won't notice much difference. Also 64 bit plugins for Java, Silverlight and a few others won't work because they're being blocked for security & stability reasons. And other plugins like VLC media player won't work with 64-bit Firefox because they haven't been whitelisted. So something to think about before switching. You can try out the 64-bit version here: -US/firefox/beta/all/

You can uninstall the 64 bit version and install the 32 bit version.If you possibly want to keep both then you can consider to do a custom install of the 32 bit version in the correct Firefox program folder for the 32 bit version and create a separate profile for the 32 bit version.

Your personal data like bookmarks is stored in the Firefox profile folder, so you won't lose personal data when you uninstall and reinstall or update Firefox, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.

The article on this was updated recently with a warning to Microsoft Office users about a problem that can occur opening links in Office if you uninstall 32-bit Firefox before choosing a different default browser.

Uninstall the 32-bit version and then install the 64-bit version. The new installation will "find" and use the existing Profile which contains all your Firefox user data. Those data files work equally fine with both 32-bit and 64-bit Firefox AND the 64-bit operating system.

I need to get a fresh download of the latest update for of 32-bit FF; the 64-bit version causing issues with hyperlinking which I have spent way too much time trying to fix. I have been unable to find a 32-bit version in any FF download searches. Pls help

clicking on a Hyperlink in Word doc results in error that refers me to sysadmin (that's me). I have tried several solutions suggested in this forum and others, short of REGEDIT, to no avail. I uninstalled 64bit FF because I just recently installed it (had been running 32bit with no problems) and so I associated it with my problem. I just completed re-install of 32-bit version but the problem persists.

One problem like this can be caused by uninstalling your current default browser without first making a different browser the default browser. Since this problem has occurred a lot with Microsoft Office Outlook, there's a useful article on the Slipstick site:

Is it the standard Windows "be afraid because this is from the Internet" warning? If it's a warning within Firefox itself, feel free to let us know what it says and where it appears and maybe we have some suggestions for it.

Whenever I reinstall Windows and install FireFox on the fresh operating system, the FireFox installer automatically installs the 32-bit version of FireFox and I have to reinstall the 64-bit version if I notice or remember. My system is not that low on resources, either. I guess 8 GB of RAM and a 3.8 GHz dual core CPU should be enough for the 64-bit version of FireFox. It is obvious that installing the 32-bit version on computers with enough resources does not allow FireFox to make the best use of the available resources and therefore delivers sub-optimal performance.

I wish the installer would be modified to better identify the system type and resources, or at least options be made available to users to choose from. Additionally some optional features could be activated or changed by the installer to enhance the performance based on system properties, such as the use of hardware acceleration, which seems to be off by default.

I should also mention that FireFox performance and speed has greatly improved recently and after being away from FireFox for a while, although I tested and retested FireFox to check for improvements during this time, I have returned to using it again on a daily basis as my default browser both on desktop and mobile devices. I would like to sincerely thank the developers and I hope FireFox will become the most widely used browser once again.

I have a 64-bit Ubuntu. For the preinstalled Firefox I had to download the 64-bit plugins (Flash, Java); the 32 bit plugins didn't work. Then I downloaded Firefox from mozilla.org, which just has one version to download, and it does not state whether it is 32 bit or 64 bit (as of november 2010). Using this downloaded Firefox all the 64-bit plugins no longer work. I had to download the 32 bit plugins.

I finally go the new upgrade from Trend Micro to work without slowing down Google Chrome and Firefox. After many hours on the phone with TM, the tech found several installation errors, uninstalled it and installed it again. So far, it is working well with Google Chrome and Firefox. During the process of getting the lasted upgrade to work, the tech uninstalled Google Chrome and firefox, then installed them again. The newest version of Mozilla firefox is 64 bit and it will not allow or find the Trend Micro toolbar extension. I have done my research and found the article on here about 64 bit Firefox. I followed the instructions, made sure Firefox privacy browsing mode in NOT checked, I downloaded the Firefox extension, ran as administrator ff.bat and NOTHING! The Trend Micro extension will not show up on Firefox for me to click as an extension. What now?

The short answer is yes, 64-bit operating systems almost always require more RAM than corresponding 32-bit operating systems and 64-bit applications often do require a bit more RAM than corresponding 32-bit applications. There are a number of reasons, but the most basic is that pointers take up twice as much space on a 64-bit operating system as they do on a 32-bit operating system.

I would recommend against trying to 'limit' the resource usage of Firefox in an attempt to lower RAM consumption, as you are likely to greatly hinder its performance, especially when it comes to Quantum multi-processes.

It should also be noted that Google Chrome behaves in a similar manner. There have long been memes and running jokes about how Chrome gobbles up RAM. Firefox Quantum behaves in a similar way to Chrome nowadays because of the degree of separation between the browser process and each individual tab (compartmentalized for stability and security). As a result, add-ons and other things can often be duplicated in each tab process, which is why more tabs = more memory, where this used to have little effect in older Firefox versions.

Given all of the confusion regarding migrating the Raspberry Pi OS to a 64-bit OS, I have no idea as to what is actually going on. Is there any intention to have a 64-bit OS branch for the latest current Raspberry Pi model and future models that may have improved USB support and/or more memory?

Yes, there are official updates to this issue. Eben Upton has said that there won't be any 64 bit Raspbian yet, because they want to maintain backwards compatibility with older systems and do not have the resources to maintain a 32 bit OS and a 64 bit OS. However, there are other alternative operating systems that are compiled for arm64 on the Raspberry Pi, such as SUSE Linux Enterprise Server. If you really want to run Firefox on Raspbian, you might be able to compile it yourself, or you might be able to run it under qemu.

The ongoing efforts of the Raspberry Pi Foundation, Eben's 2018 blog post, and lengthy threads on the Raspberry Pi forums reflect a consistent message. Although "not yet", a supported 64-bit OS is inevitable for when hardware products go beyond 4 GB.

Description

I have implemented a web sdk app.

When I join a meeting with firefox and try to chat, I could write a message, but the message is not sent.

This error only happens only in my local dev environment where only http is used.

I noticed Firefox 8 is coming out in about a week, so I wanted to try out one of the betas. I heard publicity a while back about the fact that Firefox 8 will be the first 64-bit (Windows) release. However, there are no 64-bit installers in any of the beta releases, or the Aurora releases. The most recent 64-bit build I can find is -08-15-03-07-38-mozilla-central/. Has 64-bit support slipped? I notice there aren't even any 64-bit releases of Firefox 9 in Aurora.

This may sound like stupid question but I've been monitoring the 64 bit browser version for a couple years now (longer actually). Why does the 64 bit versions never get released? Whenever the last 64 bit version I've downloaded comes close to being released it gets pushed out a couple versions, Now that version 8 is the next major upgrade 64 bit has been delayed until version 10... and so on etc. You know it's bad when Adobe beats you with their 64 bit release of flash; they were really dragging their feet. Just for the record Firefox is my browser of choice (hence my inquiry and loss of patience)

I have a fairly new laptop running Win 7 Home Premium 64-bit. I am losing hope that Mozilla will ever actually release a 64-bit 'release version' of FF. With version 9.01 released, we are told it's pushed out to version 10. Why do I believe that when version 10 goes to a release version, we will be told 64-bit version is pushed out to version 11 or 12? Sigh...just my frustrated two cents.

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