: This version received its final security update on October 5, 2021. It is now several years out of date and does not protect against modern web vulnerabilities.
: Open the DMG file and drag the Firefox icon into your Applications folder. firefox download for mac 10105 upd
If you are looking to download Firefox for , you have likely noticed that the latest versions of Firefox no longer support this operating system. Because Mozilla ended support for Yosemite in late 2021, you cannot simply download the standard "latest" version from the main Firefox website. : This version received its final security update