System Requirements

Windows

Operating Systems (32-bit and 64-bit)

• Windows 7
• Windows 8
• Windows 10

Recommended Hardware

• Pentium 4 or newer processor that supports SSE2
• 1 GB RAM / 2 GB of RAM for the 64-bit version
• 200 MB hard drive space

Mac

Operating Systems

• macOS 10.12
• macOS 10.13
• macOS 10.14
• macOS 10.15
• macOS 11

Recommended Hardware

• Macintosh computer with an Intel or Apple Silicon processor
• 2 GB 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.
• Thunderbird 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