Firefox ESR 52.9.0
Windows
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release Firefox 78 is the last supported version for Mac OS X 10.9, 10.10 and 10.11. Users will be moved to Firefox Extended Support Release (ESR). Firefox 52 ESR Installation Instructions for Mac Users Checking your release: Not sure if you have Firefox ESR? Look at Update Channel for ESR in Firefox's instructions for checking your version. Installation: Quit Firefox. Use Spotlight, Finder or Go Applications to find the Firefox application. Drag it to the Trash Bin.
Operating Systems (32-bit and 64-bit)
- Windows XP SP2
- Windows Server 2003 SP1
- Windows Vista
- Windows 7
- Windows 8
- Windows 10
Please note that 64-bit builds of Firefox are only supported on Windows 7 and higher.
Recommended Hardware
- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
Firefox Esr Mac
Mac
Operating Systems
- macOS 10.9
- macOS 10.10
- macOS 10.11
- macOS 10.12
Recommended Hardware
- Macintosh computer with an Intel x86 processor
- 512 MB of RAM
- 200 MB hard drive space
GNU/Linux
Software Requirements
Please note that GNU/Linux distributors may provide packages for your distribution which have different requirements.
- 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:
- NetworkManager 0.7 or higher
- DBus 1.0 or higher
- GNOME 2.16 or higher
- PulseAudio
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