Recommended Posts

As a longtime user of Firefox, I couldn't pass up the opportunity to use a 64-bit version of it. I figured I'd give it a try and it's something I've been thinking of doing since I first used Windows Vista Ultimate x64. I honestly never heard of Waterfox until I read this article on Neowin. I installed it on my main PC (Windows 7 Ultimate x64) and I really like it. It definitely feels speedier than the standard 32-bit version of Firefox and things like Flash also feel faster. Another positive thing is that YouTube videos no longer crash my display driver. I assume that using a 64-bit version of Flash had something to do with it.

Anyway, if you have a 64-bit operating system and are open to the idea of using a 64-bit browser than Waterfox is for you. You can download it here alongside its prerequisites.

FAQ:

What is Waterfox?

Waterfox is a high performance browser based on the Mozilla Firefox source code. Made specifically for 64-Bit systems, Waterfox has one thing in mind: speed.

Why should I use a 64-Bit version of Firefox?

For some people with older systems, the 64-Bit version loads quicker and is much more responsive than the 32-Bit build. For people with newer systems, it allows them to use the full potential of their systems.

If there are any bugs, where should I report them?

Unfortunately, since this is a 3rd party build you cannot report any bugs and you?ll just have to hope that they get fixed in the next update by Mozilla.

Is my experience limited if I use a 64-Bit version of Firefox?

The major plugins such as Adobe Flash, Sun Java, Microsoft Silverlight all have supported 64-Bit binaries available.

How does it compare to 32-Bit Firefox?

In benchmarks, the 64-Bit variant of Firefox out-performs the 32-Bit variant. Also because this variant is being built specifically for Windows, there might be further performance increases.

Were there any optimisations made?

Yes, Waterfox was compiled with SSE, SSE2, x64 favoring and the following optimisation flags: /Og /Oi /Ot /Oy /Ob2 /Gs /GF /Gy

Do all my Add-Ons work?

Yes! Add-Ons work on any version of Firefox, on any platform.

I get a msvcr100.dll is missing error.

You must have the Visual C++ Redistributable file linked in the download page installed.

How do I fix the blurry font?

Type about:config in the address bar. In the filter at the top type gfx.direct2d.disabled. Change it from false to true.

http://waterfoxproj....ceforge.net/faq

29l1hn6.png

Link to comment
https://www.neowin.net/forum/topic/1050079-waterfox-64-bit-version-of-firefox/
Share on other sites

I've always wondered just how they produce these 64bit builds, since for a long time the main codebase wasn't 64bit safe. Currently 64bit builds are still slower at JS than 32bit builds, and no amount of compiler optimisations will fix that.

Mozilla still don't consider the 64bit builds ready for anything but developer usage, they still crash randomly and often crash in such a way that the OS never calls their crash handling code (So the bugs go unreported)

I've always wondered just how they produce these 64bit builds, since for a long time the main codebase wasn't 64bit safe. Currently 64bit builds are still slower at JS than 32bit builds, and no amount of compiler optimisations will fix that.

Mozilla still don't consider the 64bit builds ready for anything but developer usage, they still crash randomly and often crash in such a way that the OS never calls their crash handling code (So the bugs go unreported)

I guess that was the case in the past. I haven't tried the 64-bit Nightly builds so I don't know how stable they are over the 32-bit Nightly builds. So far though, Waterfox hasn't crashed once. Perhaps Mozilla finally got around to making Firefox 64-bit friendly. Here's an interesting article about Firefox 8 (64-bit): http://www.extremetech.com/computing/90546-firefox-8-x64-has-64-bit-browsing-finally-come-of-age

I've always wondered just how they produce these 64bit builds, since for a long time the main codebase wasn't 64bit safe. Currently 64bit builds are still slower at JS than 32bit builds, and no amount of compiler optimisations will fix that.

Mozilla still don't consider the 64bit builds ready for anything but developer usage, they still crash randomly and often crash in such a way that the OS never calls their crash handling code (So the bugs go unreported)

I still think Mozilla needs to kill the current code and start from scratch.

Agreed, especially with Google having such a nice clean product as Chrome.

Considering it's withstood the competition quite well, I'm guessing a lot of people would disagree with you.

I'd prefer it if Firefox was optimized for SSE2 like Chrome is, but it's not really a concern if the performance is there. (The 64 bit version will be, of course, since all x64 procs have SSE2.)

Quite a lot of snakeoil and even a surprisingly outright lie, in fact. It is designed in hardware so that x86 code takes zero performance hit when run on an x64 machine. None, period.

As for optimization, setting compiler flags can do little magic if the code is not applicable for it. I would guess that forcing the matter can even make it slower as the dedicated instructions become efficient only when used properly.

As for compatibility improvements that are at least evident, I've, for one, settled for Nightly (and temporarily the latest Tracemonkey if it decides to crash).

I've had Waterfox, Palemoon and Aya... whatwasit for some time, run lenghty benches, too. Results were inconclusive but not something to make an impression that either was better than the other. It is no question that both Chrome and Oprah is faster in most cases. Even IE9 holds up in certain test cases.

All in all, if it works for you, good. If it doesn't, however, better be sure that those loud promises of these custom compiles being the fastest and whatnot are full of very big holes.

It's disappointing to me that the Firefox devs are still waffling over how to do it properly.

Like, we know what we need to do this, and we are making plans to do it, but we don't actually want to do it.

Heh.

They're working on it (see here). Unfortunately, it isn't a high-priority feature.

I guess that was the case in the past. I haven't tried the 64-bit Nightly builds so I don't know how stable they are over the 32-bit Nightly builds. So far though, Waterfox hasn't crashed once. Perhaps Mozilla finally got around to making Firefox 64-bit friendly. Here's an interesting article about Firefox 8 (64-bit): http://www.extremetech.com/computing/90546-firefox-8-x64-has-64-bit-browsing-finally-come-of-age

Even up to the mid point of 2011 they still had random chunks of code that assumed 32bit OSs (Converting pointers to 32bit integer, etc.). As for the article, that's entirely made up, what I think happened is that somebody noticed Mozilla was running 64bit regression tests, and assumed that meant an official release was coming (Which it isn't for a while until they sort all the problems out)

I still think Mozilla needs to kill the current code and start from scratch.

There's no reason to do that, the incremental upgrades they're doing now are much better (Stopping the project for a year to rewrite vs. rewriting a component incrementally over a couple of releases)

...

I'd prefer it if Firefox was optimized for SSE2 like Chrome is, but it's not really a concern if the performance is there. (The 64 bit version will be, of course, since all x64 procs have SSE2.)

It already is.

Have been using waterfox for the last few weeks so far and absolutely no problems whatsoever (same with firefox), constantly kept open for about 10 hours a day and memory usage always around 450MB (high res image threads, about 1GB then).

It is a wee bit more snappier and smooth than firefox 10 I find.

I guess that was the case in the past. I haven't tried the 64-bit Nightly builds so I don't know how stable they are over the 32-bit Nightly builds. So far though, Waterfox hasn't crashed once. Perhaps Mozilla finally got around to making Firefox 64-bit friendly. Here's an interesting article about Firefox 8 (64-bit): http://www.extremete...lly-come-of-age

Been using x64 nightly for months now and has been as stable as the x32 builds sharing almost all the same bugs. No reason not to use it especially now that flash has an x64 plugin.

Well, you say that, but it doesn't explain the devs discussing it as if it isn't used much over here http://groups.google...=64-bit&lnk=ol

The only discussion I can see is about having less code paths (Firefox includes SSE optimised code paths and normal paths, a native 64bit build doesn't need the normal code paths since it can guarantee the CPU can do SSE). And as a side effect it also means the compiler can include SSE functions anywhere, not just in optimised areas (As is done currently due to how compilers work)

Edit: So the question is "Can we use SSE everywhere?" not "Can we use SSE?"

Been using Waterfox for a while now. Even if it's built by Mozilla, it's NOT Firefox, so it has to be better!! Have NEVER liked Firefox.

Can't say as I've never noticed it being any faster than any other browser. All browsers runs blazingly fast on my sytems and the day that some one says about how slow a browser is on their systems, is the day I should go over and fix their computer!

Palemoon, http://www.palemoon.org/ also has a 64bit version, but I use the 32bit version of that on my 32bit machines.

As far as Chrome, if I were to ever use that again, which isn't happening, it would be SRWare Iron, NOT Google Chrome crap!!

What about the Windows Media Player plug-in?

Unfortunately, 32-bit plugins won't work with Waterfox. It's up to Microsoft to release a 64-bit version of the WMP plugin. So far though, the major plugins work: Flash, Java, and Silverlight.

Unfortunately, 32-bit plugins won't work with Waterfox. It's up to Microsoft to release a 64-bit version of the WMP plugin. So far though, the major plugins work: Flash, Java, and Silverlight.

And even the 32-bit plugin hasn't been updated for years, what's up with that!?

The only discussion I can see is about having less code paths (Firefox includes SSE optimised code paths and normal paths, a native 64bit build doesn't need the normal code paths since it can guarantee the CPU can do SSE). And as a side effect it also means the compiler can include SSE functions anywhere, not just in optimised areas (As is done currently due to how compilers work)

Edit: So the question is "Can we use SSE everywhere?" not "Can we use SSE?"

In 32bit code, since we have to explicitly think and do work about every place where we want to do SSE2, and since it's a performance/size compromise, we end up not doing it in many places.

So yes, I know they use it to some degree, but from what I can tell not much.

Been using Waterfox for a while now. Even if it's built by Mozilla, it's NOT Firefox, so it has to be better!! Have NEVER liked Firefox.

Can't say as I've never noticed it being any faster than any other browser. All browsers runs blazingly fast on my sytems and the day that some one says about how slow a browser is on their systems, is the day I should go over and fix their computer!

Palemoon, http://www.palemoon.org/ also has a 64bit version, but I use the 32bit version of that on my 32bit machines.

As far as Chrome, if I were to ever use that again, which isn't happening, it would be SRWare Iron, NOT Google Chrome crap!!

It's based on the Firefox source code so aside from being 64-bit, it's virtually identical to the official 32-bit version.

And even the 32-bit plugin hasn't been updated for years, what's up with that!?

That's one of the issues of using a 64-bit browser. If you use Firefox with a lot of plugins, then Waterfox may not be good. Fortunately, I only use a handful of plugins and most of them have 64-bit versions.

This topic is now closed to further replies.
  • Posts

    • Calibre 9.10 by Razvan Serea  Calibre is an open source e-book library management application that enables you to manage your e-book collection, convert e-books between different formats, synchronize with popular e-book reader devices, and read your e-books with the included viewer. It acts as an e-library and also allows for format conversion, news feeds to e-book conversion, as well as e-book reader sync features and an integrated e-book viewer. Calibre's features include: library management; format conversion (all major ebook formats); syncing to e-book reader devices; fetching news from the Web and converting it into ebook form; viewing many different e-book formats, giving you access to your book collection over the internet using just a browser. Calibre 9.10 changelog: New features Content server: A new "modern" interface with a sidebar to ease navigation Content server: When used with HTTPS allow installation as a PWA (Progressive Web App) Edit book: Saved searches: When filtering the list of saved searches match by keywords CSS parsing: Add support for CSS Level 4 selectors Cover grid: When using an image larger than the viewport as a texture scale it to fit the viewport Annotations browser: Allow restricting displayed annotations by custom annotation styles as well Edit book: Compress images: Add option to convert PNG images to JPEG or WEBP Bug fixes E-book viewer: Fix IME on Windows not working when typing in notes for highlights Conversion: Heuristics: Improve performance in some pathological cases SNB Input: Fix error on some input files Windows: fix rare crash when too many notifications are displayed at once Fix duplicating of books not duplicating value from enumerated columns when the column has a default value defined Fix a regression in 9.8 that caused errors from AI plugin providers to be silently swallowed and not displayed to user Fix CSV export invalid when exporting comments field Disallow Python templates when reading book metadata (CVE-2026-53511) Improved news sources The Week Economist Espresso Horizons Download: Calibre 9.10 | Portable | ~200.0 MB (Open Source) Download: Calibre for MacOS | 327.0 MB Download: Calibre for Linux View: Calibre Home Page | Calibre Screenshot Get alerted to all of our Software updates on Twitter at @NeowinSoftware
    • Malwarebytes Anti-Malware 5.6.1.257 by Razvan Serea Malwarebytes is a high performance anti-malware application that thoroughly removes even the most advanced malware and spyware. Malwarebytes version 5.**** brings comprehensive protection against today’s threat landscape so that you can finally replace your traditional antivirus. You can finally replace your traditional antivirus, thanks to a innovative and layered approach to prevent malware infections using a healthy combination of proactive and signature-less technologies. While signatures are still effective against threats like potentially unwanted programs, the majority of malware detection events already come from signature-less technologies like Malwarebytes Anti-Exploit and Malwarebytes Anti-Ransomware; that trend will only continue to grow. For many of you, this is something you already know, since over 50% of the users already run Malwarebytes as their sole security software, without any third-party antivirus. What's new in Malwarebytes 5.****: Unified user experience - For the first time, Malwarebytes now provides a consistent experience across all of our desktop and mobile products courtesy of an all new and reimagined user experience powered by a faster and more responsive UI all managed through an intuitive dashboard. Modern security and privacy integrations - Antivirus and ultra-fast VPN come together seamlessly in one easy-to-use solution. Whether you’re looking for a next-gen VPN to secure your online activity, or harnessing the power of Browser Guard to block ad trackers and scam sites, taking charge of your privacy is simple. Trusted Advisor - Empowers you with real-time insights, easy-to-read protection score and expert guidance that puts you in control over your security and privacy. Malwarebytes 5.6.1.257 changelog: Features and improvements Updated the sign-in section of the My Subscription page to clarify that users can activate their subscription by signing in with their Malwarebytes account. Updated the uninstall flow to collect more meaningful insights and address customer concerns. Refreshed the app's tutorial layout for a better look and feel. Issues fixed Fixed an outdated link when clicking Take action after running a Digital Footprint Scan. Miscellaneous bug fixes. Download: Malwarebytes 5.6.1.257 | 472.0 MB (Free, paid upgrade available) Links: Malwarebytes Website | Screenshot Get alerted to all of our Software updates on Twitter at @NeowinSoftware
    • Yep, not sure where the surprise is here. They release a new model for every phone, every year
    • AI would probably be better utilised replacing Executives than Engineers.
    • RapidRAW 1.5.8 by Razvan Serea RapidRAW is a beautiful, non-destructive, GPU‑accelerated RAW image editor designed for speed and simplicity. It uses a lightweight (~30 MB), efficient code base built with Rust, React and Tauri. Ideal for Lightroom workflows, it offers rich editing tools—exposure, contrast, highlights, shadows, whites/blacks, tone curves, HSL mixer, dehaze, vignetting, film grain, sharpening, clarity and noise reduction—processed in real-time on the GPU. Features include intuitive masking (brush, linear, radial, AI-powered subject and foreground detection), generative edit layers (via ComfyUI), 32‑bit precision, and full RAW format support through rawler. RapidRAW also provides library management (folder navigation, ratings, metadata, EXIF viewer), batch operations, export presets (JPEG/PNG/TIFF), sidecar editing (.rrdata), undo/redo history, customizable UI themes, smooth animations, resizable panels, and preset copy/paste. A modern high-performance Lightroom alternative with polished UX and creative tools, RapidRAW brings powerful photo editing to photographers seeking speed, responsive GPU feedback, and streamlined workflows. RapidRAW v1.5.8 release notes: This release introduces several new editing tools and workflow refinements designed to improve both photo editing and library management. It expands creative flexibility with the addition of a preset intensity slider and a global hue adjustment, while also introducing convenient navigation features such as quick bottom bar filters and folder sorting. Behind the scenes, the update addresses background indexing issues and ensures folder image counts are updated correctly. It also broadens accessibility by adding support for Korean and Traditional Chinese. [full changelog] Download: RapidRAW 1.5.8 | ARM64 | ~20.0 MB (Open Source) View: RapidRAW Home Page | Screenshot | Other operating systems Get alerted to all of our Software updates on Twitter at @NeowinSoftware
  • Recent Achievements

    • Week One Done
      xvvxcvv earned a badge
      Week One Done
    • One Month Later
      xvvxcvv earned a badge
      One Month Later
    • Enthusiast
      Xonos went up a rank
      Enthusiast
    • Conversation Starter
      Admir earned a badge
      Conversation Starter
    • First Post
      The_Focal_Point earned a badge
      First Post
  • Popular Contributors

    1. 1
      +primortal
      405
    2. 2
      +Edouard
      169
    3. 3
      PsYcHoKiLLa
      129
    4. 4
      neufuse
      69
    5. 5
      Xenon
      68
  • Tell a friend

    Love Neowin? Tell a friend!