Yosemite is only available for people who had downloaded it previously, otherwise it is no longer available.

1. Mac Os X 10.11 Download Torrent
2. Os X 10.11 Download Link
3. Yosemite Os X 10.11 Download
4. Mac Os X 10.11 Download Free

You could probably upgrade to macOS Sierra if your Mac qualifies, otherwise you will be able to update to

Mac OS X El Capitan from here, Upgrade to OS X El Capitan - Apple Support

As both of these operating systems are a few upgrades newer than Mountain Lion you will need to prepare yourself.

Make sure you have enough RAM, 4GBs is minimum. Make sure third party apps you use now are supported under El Capitan or Sierra and have updates available, https://roaringapps.com/apps?platform=osx. Also make sure that any peripherals such as printers, scanners etc are supported under El Capitan and Sierra check with the manufacturers of these items for updated drivers / software etc.

iPhoto and Aperture if you had it are no longer supported by Apple in favour of their new Photos app.

Jul 15, 2017 5:07 AM

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.

• Download OS X El Capitan. For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS. If you still need OS X El Capitan, use this link: Download OS X El Capitan. A file named InstallMacOSX.dmg will download to your Mac. Install the macOS installer.
• The following is steps for upgrading to Mac OS X 10.11 Capitan: Visit the Mac App Store. Locate the OS X El Capitan Page. Click the Download button. Follow the simple instructions to complete the upgrade. For users without broadband access, the upgrade is available at the local Apple store.

Mac Os X 10.11 Download Torrent

The latest Hackintosh OS X El Capitan 10.11.5 Mac operating system is now available for Microsoft Windows device users to experience the all new features and functionalities of OS X El Capitan 10.11.5 (Build: 15F34) on Windows PCs and Laptops powered by AMD and Intel based hardware.

Os X 10.11 Download Link

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.

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.

Yosemite Os X 10.11 Download

Mac Os X 10.11 Download Free

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.