Firefox version 78 is the last supported Firefox version for Mac users of OS X 10.9 Mavericks, OS X 10.10 Yosemite and OS X 10.11 El Capitan. These users will be moved to the Firefox Extended Support Release (ESR) channel by an application update. This will provide security updates until the next ESR update in July 2021, after which the affected users will no longer receive security updates.

Mac mini introduced in early 2009 or later iMac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009. To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu. If your Mac isn't compatible with OS X Yosemite, the installer will let. Mac users interested in Fan control for os x 10.5.8 generally download: SSD Fan Control 2.13 Free SSD Fan Control is a fan management utility that comes in handy if you're dealing with a noisy hard disk fan. OS X 10.10.5 Yosemite download update is now available for Mac users around the globe. The update brings with itself a bunch of fixes and performance enhancements. Download Mac OS X 10.11 El Capitan. Get download Mac OS X 10.11 EI Capitan ISO File ( 7.14GB) Mac OS X 10.11 EI Capitan DMG File (7.41GB) Download Mac OS X 10.10 Yosemite. Download Mac OS X 10.10.5 Yosemite DMG File (6.66 Gb) Mac OS X 10.10.5 Yosemite ISO File (6.66 Gb) Free Download; Download Mac OS X 10.9 Mavericks.

Download Mac Os X 10.10.5

The OS X Yosemite v10.10.5 Update is recommended for all OS X Yosemite users. The OS X Yosemite 10.10.5 update improves the stability, compatibility, and security of your Mac, and is recommended for all users. This update: Improves compatibility with certain email servers when using Mail.

Os X 10.10 Download

While Apple does not have a public policy governing security updates for older OS X releases, their ongoing practice has been to support the most recent three releases. The last security update applicable to OS X 10.11 was made available in July 2018. Unsupported operating systems do not receive security updates, have known exploits and can be dangerous to use, which makes it difficult to maintain Firefox on those versions.

Mac Os X 10.11 Download

Up until July 2021, we will be updating affected users with critical security updates through the Firefox ESR channel to help retain the best possible security. After this, no security updates will be provided.

Apple Os X 10.10 Download

If you want to keep your Firefox version up to date, you will need to upgrade your operating system to macOS 10.12 or higher. Older versions that are not supported by Apple are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions.