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Firefox ESR 91.6.0 System Requirements — Firefox
All Firefox downloads
Firefox System Requirements
Firefox ESR 91.6.0
Windows
Operating Systems (32-bit and 64-bit)
- Windows 7
- Windows 8
- Windows 10
- Windows 11
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
Mac
Operating Systems
- macOS 10.12
- macOS 10.13
- macOS 10.14
- macOS 10.15
- macOS 11
- macOS 12
Recommended Hardware
- Mac computer with an Intel x86 or Apple silicon 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+ 3.14 or higher
- X.Org 1.0 or higher (1.7 or higher is recommended)
- libstdc++ 4.8.1 or higher
- glibc 2.17 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
Get the most recent version
Download Firefox — English (US)
Your system may not meet the requirements for Firefox, but you can try one of these versions:
Download Firefox — English (US)
Firefox is no longer supported on Windows 8.1 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
Firefox is no longer supported on macOS 10.14 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
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