Browse quickly, securely, and effortlessly. 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.Firefox offers a fast, safe Web browsing experience. 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. Download Firefox For Mac Os X 10.4 11 Pro Max After this, no security updates will be provided. 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. 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. The last security update applicable to OS X 10.11 was made available in July 2018. 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. This will provide security updates until the next ESR update in July 2021, after which the affected users will no longer receive security updates. These users will be moved to the Firefox Extended Support Release (ESR) channel by an application update. įirefox 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. If you're just trying out Firefox or simply do not wish to set Firefox as your default browser, click. If you want Firefox to do those things, click. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox.

Upon installation, Firefox will not be your default browser, which you'll be notified about. Because you download Firefox from the official site, click. When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet.

Just click on its icon in the dock or Applications folder to start it. Just open your Applications folder and drag Firefox to the dock.įirefox is now ready for use. Tip: You can add Firefox to your dock for easy access. Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings. Complete the steps above before running Firefox.

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