Firefox desktop should be installed on systems meeting minimum requirements for best performance.
Mozilla Firefox is a free and open source web browser by the Mozilla Foundation. Mozilla Firefox features all elements of modern browsing, such as a tabbed interface, live bookmarks, Private Browsing, smart bookmarks, and many more. Firefox features great performance, support for all major web standards, and includes special developer tools. Firefox Lockwise. Take the passwords you’ve saved in Firefox with you everywhere. Download for iOS; Download for Android; Support; Firefox Monitor. See if your personal info has been leaked online, and sign up for future breach alerts. Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today! Follow these steps to switch from 32-bit to 64-bit Firefox: Go to this Mozilla Firefox download page and select the Windows 64-bit installer. Download the Firefox Setup file and save it to your computer. Do not run the installer yet. Click the Firefox menu and select Exit.
Operating Systems (32-bit and 64-bit)
Windows 7
Windows 8
Windows 10
Recommended Hardware
Pentium 4 or newer processor that supports SSE2
512MB of RAM / 2GB of RAM for the 64-bit version
200MB of hard drive space
Operating Systems
macOS 10.9
macOS 10.10
macOS 10.11
macOS 10.12
macOS 10.13
Recommended Hardware
Macintosh computer with an Intel x86 processor
512 MB of RAM
200 MB hard drive space
Please note that GNU/Linux distributors may provide packages for your distribution which have different requirements.
Software Requirements
Firefox 64 For Mac
Firefox will not run at all without the following libraries or packages:
GTK+ 3.4 or higher
GLib 2.22 or higher
Pango 1.22 or higher
X.Org 1.0 or higher (1.7 or higher is recommended)
libstdc++ 4.6.1 or higher
For optimal functionality, we recommend the following libraries or packages: