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Firefox no longer works with Mac OS X 10.5

Revision 34372:

Revision 34372 by AliceWyman on

Revision 34540:

Revision 34540 by thelem on

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macos leopard
macos leopard

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Firefox 16 is the last version of Firefox that works with Mac OS X 10.5 (Leopard). To stay safe online, we recommend upgrading your computer or operating system.
Firefox 16 is the last version of Firefox that works with Mac OS X 10.5 (Leopard). To stay safe online, we recommend upgrading your computer or operating system.

Content:

<!-- Notes on the recommendations in this article https://support.mozilla.org/en-US/kb/firefox-no-longer-works-mac-os-x-10-5/discuss/4633 --> Firefox 16 is the last version of Firefox that works with [http://en.wikipedia.org/wiki/Mac_OS_X_Leopard Mac OS X 10.5] (Leopard). Newer versions of Firefox will require Mac OS X 10.6 (Snow Leopard) or above. To stay safe online, we recommend upgrading your computer or operating system. This article covers your options. {for win,linux} {note}'''Note:''' This article only applies to Mac OS X.{/note} {/for} =Option 1: Switch to a newer computer= Apple stopped supporting Mac OS X 10.5 (Leopard) in 2009 and many software makers have either dropped support for it or soon will. Your best bet is to get a computer capable of running the latest version of Mac OS X - Mountain Lion (10.8). This is the most secure option and will allow you to run the latest and greatest Firefox. *[http://www.apple.com/osx/specs/ Mac OS Mountain Lion supported models] *[http://support.apple.com/kb/HT4889 Use Migration Assistant to transfer files to a new Mac] =Option 2: Upgrade your operating system= If you can't switch to a newer computer, you should upgrade the operating system on your existing computer, if it is possible to do so. If you can't upgrade to Mac OS X 10.8 (Mountain Lion), newer versions of Firefox will also work on Mac OS X 10.7 (Lion) and 10.6 (Snow Leopard). Apple still supports these older operating systems, although it's likely that it will drop support for 10.6 (Snow Leopard) soon. =Option 3: Continue to use Mac OS X 10.5 and Firefox 16= If you can't switch to a newer computer or upgrade your operating system, you can continue to use Mac OS X 10.5 and Firefox 16 - they will continue to work. However, you will no longer receive stability and security updates available in upcoming Firefox versions. See the [http://www.mozilla.org/security/known-vulnerabilities/firefox.html Security Advisories for Firefox] for a list of vulnerabilities fixed in past releases. {warning}'''Warning:''' Continuing to use Mac OS X 10.5 is no longer supported by Apple and poses a significant security risk. {/warning}
<!-- Notes on the recommendations in this article https://support.mozilla.org/en-US/kb/firefox-no-longer-works-mac-os-x-10-5/discuss/4633 --> Firefox 16 is the last version of Firefox that works with [http://en.wikipedia.org/wiki/Mac_OS_X_Leopard Mac OS X 10.5] (Leopard). Apple stopped supporting Mac OS X 10.5 (Leopard) in 2009 and many software makers have either dropped support for it or soon will. Newer versions of Firefox require Mac OS X 10.6 (Snow Leopard) or above. To stay safe online, we recommend upgrading your computer or operating system. This article covers your options. {for win,linux} {note}'''Note:''' This article only applies to Mac OS X.{/note} {/for} =Option 1: Upgrade your operating system= Depending on the age of your computer, you may be able to upgrade to a newer version of Mac OS X. If you can't upgrade to Mac OS X 10.8 (Mountain Lion), newer versions of Firefox will also work on Mac OS X 10.7 (Lion) and 10.6 (Snow Leopard). Apple still supports these older operating systems, although it's likely that it will drop support for 10.6 (Snow Leopard) soon. *[http://www.apple.com/osx/specs/ Mac OS Mountain Lion supported models] =Option 2: Switch to a newer computer= If your computer is not capable of running a newer version of Mac OS X then you will need to purchase a new computer to allow you to run the latest and greatest Firefox. You can transfer your settings across so you don't lose anything. *[http://support.apple.com/kb/HT4889 Use Migration Assistant to transfer files to a new Mac] =Option 3: Continue to use Mac OS X 10.5 and Firefox 16= If you can't switch to a newer computer or upgrade your operating system, you can continue to use Mac OS X 10.5 and Firefox 16 - they will continue to work. However, you will no longer receive stability and security updates available in upcoming Firefox versions. See the [http://www.mozilla.org/security/known-vulnerabilities/firefox.html Security Advisories for Firefox] for a list of vulnerabilities fixed in past releases. {warning}'''Warning:''' Continuing to use Mac OS X 10.5 is no longer supported by Apple and poses a significant security risk. {/warning}

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