This article explains how to download and install Firefox on a Mac.
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Note: This article only applies to Mac. For instructions to install Firefox on Windows, see How to download and install Firefox on Windows.For instructions to install Firefox on Linux, see Install Firefox on Linux.
Make sure your Mac meets the System Requirements for Firefox.
Firefox version 83 and higher support Apple devices with an ARM-based CPU (i.e. Apple Silicon). Firefox 83 supports the current x86 architecture and run on both current Intel-based Apple devices and new Apple Silicon devices by way of Apple's Rosetta 2 emulation software and thus performance speeds may suffer. Later versions of Firefox are expected run natively (i.e. not under emulation). Best mac antivirus keylogger app. Mac App Store Won't Download
If you use an old version of OS X, see these articles for more information: How to run apps from unidentified developer mac.
The Mac App Store may tell you that an app is installed, when it actually isn't. First, ensure the app isn't installed on an external drive or other partition. Mac cant install app unitenfidied developer. If you have another drive plugged in, the Mac App Store will recognize that you have it already and won't let you download it. The Mac App Store sometimes throws out odd errors when you try to download and install software, errors that lack information on Apple’s support pages.
Complete the steps above before running Firefox. Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings.
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Tip: You can add Firefox to your dock for easy access. Just open your Applications folder and drag Firefox to the dock.
Firefox is now ready for use. Just click on its icon in the dock or Applications folder to start it.
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When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet. Because you download Firefox from the official site, click .
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Upon installation, Firefox will not be your default browser, which you'll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click . If you're just trying out Firefox or simply do not wish to set Firefox as your default browser, click .
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