Mac OS X 10.4 users, and 10.5 users with a PPC Mac, can download the latest Firefox 3.6.xx release version for Mac OS, currently available from here or from the Mozilla CDN site (Firefox 3.6 requires Mac OS X 10.4 or above). Another option is TenFourMac, which is based on Mozilla 2.0 and Firefox 4 code. Firefox 3 requires Mac OS X 10.4 or above. The 10.6.3 Update is recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes that: – improve the reliability and compatibility of QuickTime X.
Installation DVD for Mac OS X Snow Leopard. ISO for Boot Camp and DMG for installing on a Mac. Both files were created in Windows 10 and are untested because I only have two MacBooks and none of them work. It could be me being unlucky, but I know for a fact that both machines were bespoke toasters whenever I did something that the CPU had to. By SK 0 comments Last updated April 1, 2010. Several users have reported intermittent delays and overall slowness in Firefox after the Mac OS X 10.6.3 update. As described by Apple Discussions poster JamesFabin: “I updated to 10.6.3 on my Mac Pro and suddenly firefox freezes for a second or more randomlyvery often (3 times so far while typing this post).
To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
Check compatibility
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
These installers from the App Store open automatically after you download them:
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion
Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Install macOS
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
Mac OS X 10.6 Snow Leopard marked an endpoint in the evolution of traditional OS X. After this, Apple introduced OS X 10.7 Lion, which moved the Mac in the same direction as iOS – a whole new direction for desktop Macs. Also, for those using software written in the PowerPC era, Snow Leopard gives us the last chance to run those apps.
OS X Version Share on Intel Macs, Late 2009 through May 2015
Firefox For Mac Os X 10.6.33 Snow Leopard
OS X 10.6 Snow Leopard remains a Top 3 platform among Mac users even 4 versions later!
While OS X 10.6 is now several versions behind, it is hanging in there as one of the most used versions of OS X, as data from our site logs shows in the graph above. We recognize that our audience is more likely to stick with an older OS, whether due to older hardware, software compatibility, or just seeing no need to change.
Whether our numbers are representative of worldwide OS X use or not, the trends here are fascinating. New versions are adopted quickly on release and grow more slowly, reaching their peak as the next version of OS X arrives – although none has achieved the nearly 85% share that Snow Leopard once had, based on our site traffic. They also drop quickly when a new version is released, followed by a slower decline that can go on for years.
Not long after 10.8 Mountain Lion was released, 10.7 Lion dropped below Snow Leopard’s slowly declining level. Likewise, Mountain Lion share dropped precipitously shortly after 10.9 Mavericks arrived, the first free version of OS X, soon falling below Snow Leopard. And with the arrival of 10.10 Yosemite, Mavericks began its inevitable decline – and in coming months it could also fall behind Snow Leopard. It will definitely do so once OS X 10.11 El Capitan becomes a release product.
Snow Leopard has legs. You could well count it as the pinnacle of the classic version of OS X (OS X before it started getting iPhone-like features such as “natural” scrolling), and as such there are a lot of good browser options for it.
I have Snow Leopard on my 2007 Mac mini, upgraded with 3 GB of system memory and a fast 320 GB hard drive. I also have a lot of different browsers installed: Camino, Chrome, Firefox, OmniWeb, Opera, Roccat, Safari, and Stainless among them. Let’s look at them by the date of their latest release.
Camino: Dated but Useful
Of these browsers – and the list is not exhaustive – Camino 2.1.2 has been left to languish since 2012 yet remains a fast browser that I still find myself using for specific projects. You can run Camino very nicely on OS X 10.4 Tiger and a G3 Mac – and anything since.
Firefox For Mac Os X 10.6.33
Camino won’t become your everyday browser, but it’s agile and works very nicely for legacy websites. It has never been updated for HTML5 and scores very poorly on the HTML5 Test.
The biggest drawback to Camino is that it tends to hang with too many open tabs or when you try to quit the app. Camino is based on an old version of Gecko (Gecko 19/Firefox 19 released in February 2013) that was current when Camino 2.1 was released. The code has been tweaked to function as a true Mac app, but over 3 years have elapsed since the last update, so don’t expect it to compete in features with more modern browsers.
OmniWeb: The First Has Become Last
OmniWeb was originally developed for NeXT computers and their NeXTstep environment. When Apple acquired NeXT in 1996, NeXTstep became the foundation for Mac OS X, and OmniWeb was the first browser ported to Apple’s next generation operating system.
The last release version of OmniWeb is 5.11.2, which arrived in July 2012 and added support for some OS X 10.8 Mountain Lion security features. Of the browsers that claim to still be in development for the Mac, it has the oldest “most recent” version.
OmniWeb runs on PowerPC and Intel Macs running OS X 10.4.8 Tiger or later, and the development version is adding OS X 10.10 Yosemite support. Even though Omni Group continues to work on its browser, it looks like a browser from a decade back.
Safari: Left Behind
Safari 5.1.10 is the last version compatible with OS X 10.6. That update was released in 2013, making it only a year newer than Camino. Safari is currently at version 8.0.6, which requires OS X 10.10 Yosemite, so it’s a few versions behind. Apple has a long tradition of leaving users of older versions of OS X with old software, so it’s not just a matter of Safari.
I have given up on Safari for production work, although I continued to use it regularly until earlier this year. It is a perfectly competent browser, but it bogs down with multiple windows open, and this is especially true when using WordPress, the content management system we use for Low End Mac.
Stainless: It Shines!
Surprisingly, over recent months I have made Stainless 0.8 my most used browser. It’s quick to launch, memory efficient, and handles WordPress (Low End Mac’s content management system) very nicely. It has displaced Safari, which is what I used for WordPress until I gave Stainless a try.
Stainless was a project launched by Danny Espinoza in 2008 with some impressive goals. He notes:
“Stainless started out as a technology demo to showcase my own multi-processing architecture in response to Google Chrome (Stainless 0.1 was released three weeks after Google released Chrome for Windows). Sensing an opportunity and inspired by a growing fanbase, I decided to craft Stainless into a full-fledged browser and work on features that I hadn’t seen before in other browsers.
“A prime example is parallel sessions, which allow you to log into a site using different credentials in separate tabs at the same time. This new technology is woven throughout Stainless, from the private cookie storage system, to session-aware bookmarks that remember the session in which they were saved. I still believe this is a true browser innovation (and I’d love to see this implemented in Chrome).”
After five years working on Stainless, Espinoza no longer had the time necessary to invest in moving the project forward and ended development in 2013, so Stainless is eternally stuck at version 0.8. Despite its seeming age, it’s a sprightly browser.
Opera: Fairly Current
I’ve always liked Opera, but never enough to use it regularly. Until now, the most recent version I had on my Mac was 12.16, which is positively ancient. Opera is up to version 30 these days.
Since version 26, Opera has required OS X 10.7 Lion or later. Version 25 (2014) is difficult to find, but this link will get you Opera 25.0.1614.71, the last version compatible with Snow Leopard.
Roccat: A New Contender
Roccat is designed to be fast, and it’s also available on iOS. Built-in ad blockers help it load sites much more quickly than if all the ads were in place. Roccat claims to block 99% of ads.
Roccat has special features optimized for social media, so if you use Facebook, Twitter, etc., that alone makes it worth a look.
Roccat Reader provides you with the kind of distraction-free online reading you have probably seen in more modern versions of Safari. Roccat Cloud lets you back up your bookmarks, tabs, history and more to the cloud and access it from another device running Roccat.
Firefox: Good Enough
Firefox is the descendant of Netscape Navigator, the first well-known browser. For a while it was the second choice browser on Windows and Macs, but Chrome pushed it aside long ago. I honestly can’t remember the last time I used it.
Not to say that it isn’t a perfectly competent browser. I enjoyed using it again after so many years away from it – although I must admit to having used TenFourFox, a PowerPC port of Firefox, heavily on my G4 and G5 Power Macs in recent years.
Firefox has a reader mode, which is marvelous for reading content on a cluttered page or in too small a typeface. Also on the plus side, it can automatically update to the current version (38.0.5 at the moment) and supports full screen mode.
Chrome: Up-to-Date but a RAM Hog
Google’s Chrome browser is current at version 43.0.2357.81, and this version is compatible with all versions of OS X since 10.6 Snow Leopard. It’s fast, but it’s also a memory hog. One the plus side, you can run Chrome on Macs, Windows PCs, Linux, Chromebooks, iDevices, and Android gear.
It’s also the most used browser on the market, although Safari eclipses it on Macs. It always updates itself to the latest version, so no worry about being left behind until Google drops Snow Leopard support.
Browser Overview
Firefox For Mac
In the table below, browser size on disk is rounded up to the next full MB. HTML5 score is on a scale of 0-555. Full Screen indicates whether the browser supports full screen mode, which can be toggled using Cmd-Shift-F.
HTML5 Video notes whether H.264, Ogg Theora, and WebM are supported. “All” means all 3 are.
| Browser Version | Size | HTML5 Score | Full Screen | HTML5 Video |
| Camino 2.1.3 | 39 MB | 134 | no | no |
| OmniWeb 5.11.2 | 76 MB | 205 | no | H.264 |
| Safari 5.1.10 | 53 MB | 250 | no | H.264 |
| Stainless 0.8 | 2 MB | 250 | no | H.264, WebM |
| Opera 25 | 127 MB | 480 | no | Theora, WebM |
| Roccat 4.9 | 14 MB | 267 | no | H.264, WebM |
| Firefox 38 | 175 MB | 467 | yes | all |
| Chrome 43 | 375 MB | 506 | yes | all |
Conclusion
There are a lot of factors you can use for choosing the best browser. In terms of speed, Stainless loads quickly. Camino, Stainless, and Roccat all subjectively feel pretty fast. Firefox and Chrome, not so much, and Chrome itself is over twice as large as Firefox.
Chrome takes top honors for HTML5 support, followed by Opera 25 and then Firefox. Roccat is a bit ahead of Safari and Stainless, but the big question is how well does each browser support the parts of HTML5 that are important to you, such a video codecs.
Honestly, it can’t hurt to download and try several of these browsers. Regardless of which ones others view as best, you may find a new favorite for some specific uses, much as I am hooked on Stainless for WordPress work.
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Firefox For Mac Os X 10.6.3 6 3 Retail Iso
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