Firefox System Requirements Install Firefox On

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.

Firefox 83 runs on new Apple Silicon devices by way of Apples Rosetta 2 emulation software and thus performance speeds may suffer.

Firefox 84 and higher versions will run natively (not under emulation).

Drag the Firefox icon on top of the Applications folder in order to copy it there.

Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings.

Just open your Applications folder and drag Firefox to the dock.

Because you download Firefox from the official site, click Open.

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 Use Firefox as my default browser.

If youre just trying out Firefox or simply do not wish to set Firefox as your default browser, click Not now.

Starting with Firefox version 49, Firefox requires Mac OS X 10.9 (Mavericks) or higher.

Firefox System Requirements For Mac