Firefox System Requirements
Firefox ESR 115.1esr
Windows
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
 
Mac
Operating Systems
- macOS 10.12
 - macOS 10.13
 - macOS 10.14
 - macOS 10.15
 - macOS 11
 
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