Firefox System Requirements
Firefox ESR 45.7.0
Windows
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.
To install Firefox on a Windows XP system, because of Windows restrictions, the user will have to download Firefox 43.0.1 and then update to the current release.
Recommended Hardware
- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
Mac
Operating Systems
- Mac OS X 10.6
- Mac OS X 10.7
- Mac OS X 10.8
- Mac OS X 10.9
- Mac OS X 10.10
- Mac OS X 10.11
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 1.14 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