This article explains how to download and install Firefox on a Mac.
- If you are updating from a previous version of Firefox, see Update Firefox to the latest release.
- Question: Q: Unable to download macOS 10.14.5 I have macOS Mojave 10.14.3 but am unable to install macOS 10.14.5!!! I've had a message saying there is a problem with my internet connection, which is not true.
- Download the gibMacOS script from this link and extract it to your Mac. From the extracted folder, run the script called gibMacOS.command — it will open the Terminal as shown below. Wait for the script to fetch the macOS download catalogue from Apple.
Re: Internet Security For Mac - Unable to install - Other Application Protection Software Incompatible? Jump to solution If Little Snitch is causing the problem (and when I turn it off it doesn't seem to help), then 'Goodbye McAfee'.
Make sure your Mac meets the System Requirements for Firefox.
If you use an old version of OS X, see these articles for more information:
To download and install Firefox:
- Visit the Firefox download page in any browser (for example, Safari). It will automatically detect the platform and language on your computer and recommend the best version of Firefox for you.
- Click .
- Note: If you want to have a choice of the language for your Firefox installation, click the Download options and other languages link instead.
- Once the download has completed, the file (Firefox.dmg) may open by itself and pop open a Finder window containing the Firefox application. Drag the Firefox icon on top of the Applications folder in order to copy it there.
- Note: If you do not see this window, open the Firefox.dmg file that you downloaded.
- After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select Eject 'Firefox' from the menu.
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.
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 .