Download Old Versions of Firefox: 65.0.2 - 52.0.2 - 48.0.2. If you experience any compatibility issues with Firefox for Mac, consider downloading one of the older versions of Firefox. MacUpdate stores previous versions of Firefox for you since v. Index of /pub/firefox/releases/51.0.1/ Type Name Size Last Modified; Dir. Dir: linux-i686/ Dir: linux-x8664-EME-free/ Dir. Here, x.y is the version of Mac OS X (for instance, Mac OS X 10.15). Starting in Firefox 87, Firefox caps the reported Mac OS X version number to 10.15, so macOS 11.0 Big Sur and later will be reported as '10.15' in the User-Agent string. Note that Firefox no longer officially supports Mac OS X on PowerPC. Choose which Firefox Browser to download in your language Everyone deserves access to the internet — your language should never be a barrier. That’s why — with the help of dedicated volunteers around the world — we make the Firefox Browser available in more than 90 languages.

This article explains how to install Firefox on Windows using a simple online installer. (If you need a full, offline installer, or custom options, see For advanced users, below.)

• To update Firefox from a previous version, see Update Firefox to the latest release.

Before installing Firefox, see the Firefox System Requirements to make sure that your computer has the required operating system and recommended hardware.

To install Firefox on your computer:

1. Visit this Firefox download page in any browser, such as Microsoft Edge.
2. Click the button. The Firefox Installer that downloads will automatically offer you the best available version of Firefox for your computer.
   Windows 10 may show you a warning when installing apps that aren't from the Microsoft store. See Windows 10 warns me to use a 'Microsoft-verified' app for more information.
   • Click Open file in the Downloads notification on Microsoft Edge to start the process.
   • In other browsers, you may need to first save the Firefox installer to your computer, then open the file you downloaded.
     Note: If you see an Open File - Security Warning dialog, click or .

   
   

3. The User Account Control dialog may open, to ask you to allow the Firefox Installer to make changes to your computer. If this dialog appears, click to start the installation.
4. Wait for Firefox to finish installing.
5. When the installation is complete, Firefox will open.

Double-click the Firefox icon that was placed on the desktop whenever you want to go online.

Having problems?

Here are some articles that can help you:

If you need more help, you can always get community support.

The streamlined Firefox Installer installs a suitable Firefox version for your language and operating system. For example, on 64-bit Windows, it installs the 64-bit version of Firefox (details here). To install Firefox in another language or operating system, or if you need a full, offline installer with custom options, download the Firefox Setup file from this download page. Options available in the full, offline installer are described in the article, Custom installation of Firefox on Windows.

Firefox 14.0.1

Windows

Download Mozilla Firefox Version 45

Operating Systems

Firefox 14 Mac Download Full

• Windows XP SP2
• Windows Server 2003 SP1
• Windows Vista
• Windows 7

Please note that while the 32-bit and 64-bit versions of Windows Vistaand Windows 7 can be used to run Firefox 14, only 32-bit builds of Firefox 14 aresupported at this time.

Recommended Hardware

• Pentium 4 or newer processor that supports SSE2
• 512MB of RAM
• 200MB of hard drive space

Mac

Operating Systems

• Mac OS X 10.5
• Mac OS X 10.6
• Mac OS X 10.7

Recommended Hardware

• Macintosh computer with an Intel x86 processor
• 512 MB of RAM
• 200 MB hard drive space

Linux

Software Requirements

Firefox 14 Mac Download

Please note that Linux distributors may provide packagesfor your distribution which have different requirements.

Firefox 14 Download

• Firefox will not run at all without the following libraries or packages:
  • GTK+ 2.10 or higher
  • GLib 2.12 or higher
  • Pango 1.14 or higher
  • X.Org 1.0 or higher (1.7 or higher is recommended)
  • libstdc++ 4.3 or higher
• For optimal functionality, we recommend the following libraries or packages:
  • NetworkManager 0.7 or higher
  • DBus 1.0 or higher
  • HAL 0.5.8 or higher
  • GNOME 2.16 or higher

Firefox 56 0 2 64 Bit Download