Firefox System Requirements
Firefox ESR 128.5.1
Windows
Operating Systems (32-bit and 64-bit)
- Windows 10 or later
Recommended Hardware
- 1 gigahertz (GHz) or faster compatible processor or System on a Chip (SoC)
- 1GB of RAM / 2GB of RAM for the 64-bit version
- 500MB of hard drive space
Mac
Operating Systems
- macOS 10.15 or later
Recommended Hardware
- Macintosh 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:
- glibc 2.17 or higher
- GTK+ 3.14 or higher
- libglib 2.42 or higher
- libstdc++ 4.8.1 or higher
- X.Org 1.0 or higher (1.7 or higher is recommended)
- For optimal functionality, we recommend the following libraries or packages:
- DBus 1.0 or higher
- NetworkManager 0.7 or higher
- PulseAudio