Officially, you’re also supposed to be running at least OS X 10.6.6 in order to upgrade via the Mac App Store (which OS X 10.5 can’t access) but there is a way to install Lion from a bootable DVD or USB drive.
If you’re unsure about your Mac’s specification, go to the Apple icon in the top left corner of our screen and select “About This Mac”.
To do this though, your Mac will need to be an Intel Mac with a minimum of Core 2 Duo, i3, i5, i7 or Xeon processor and at least 2 GB of RAM. It’s also highly likely that Apple will also stop supporting OS X 10.6 Snow Leopard soon too, so our advice is try to upgrade to at least OS X 10.7 Lion. Why You Should Upgrade Your MacĪn even more compelling reason to upgrade from OS X 10.5 is that since 2009, Apple has stopped supporting Leopard anymore meaning the entire OS is vulnerable to attack and serious stability issues. Mozilla take security very seriously and it’s also worth checking out the Mozilla Security Blog to see some of the work that goes into keeping Firefox safe. If you want to see just how many security threats have to be fixed on a regular basis by Mozilla, check out the latest Security Advisories for Firefox. Not only this, but you’ll also find that many add-ons or plugins simply won’t work with it anymore. We emphasize that using Firefox 16 is not a good idea because it is no longer updated or supported by Mozilla leaving it vulnerable to attack, malware, spyware and other online threats. Since Firefox 17 until the latest version of Firefox, you need at least OS X 10.6 Snow Leopard or higher to run the browser safely and efficiently on your Mac. In this article, we look at the risks and problems of using Firefox 16 and highlight what your options are. In this case you’ll need Firefox 3.6 for Mac which was the last one to support PPC Macs but is even older and more vulnerable than Firefox 16.
Note that this only works if you’re using an Intel Mac – if you’re still using OS X 10.5 or 10.4 on a PowerPC Mac, then we recommend this article about how to install Firefox on PPC Macs and OS X 10.4.11.
However, we strongly recommend you upgrade to at least OS X 10.6 Snow Leopard or higher as Firefox 16 is no longer updated by Mozilla and therefore not secure anymore. Internet & Network downloads - TenFourFox by and many more programs are available for instant and free download.If you’re using OS X 10.5.8 Leopard then you can still download Firefox 16 for Macs which works on 10.5.8. All previous versions of Firefox are virus-free and free to download. Download prior versions of Firefox for Mac. If you need the previous version of Firefox, check out the app's version history which includes all versions available to download. While the developer is fixing the problem, try using an older version.
Firefox For Mac Os X 10.5 8 Download Rating: 5,0/5 3350 reviews Beginning with Firefox 4, Macs must have an Intel x86 processor (which you do NOT have yours is a PPC Mac) and OSX 10.5 or higher With so much bigger fan base and funding support, World of Warcraft is still going strong even though it is 15 years old.Why World of Warcraft still. Google Chrome Mac Os X 10.5 8 Free Download Update: Firefox 47 (released June 2016, last version 47.0.1 in June 2016) was the last version to support Snow Leopard, but Firefox 45esr (released March 2016, last version was 45.9.0 in April 2017) has more up-to-date security.