System Requirements

Windows

Operating Systems

• Windows 7
• Windows 8
• Windows 10
• Windows 11

Windows Recommended Hardware

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

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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
• 1GB RAM
• 500 MB hard drive space
• additional hard drive space for mail storage

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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:

  • glibc 2.17 or higher
  • GTK+ 3.14 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
  • GNOME 2.16 or higher
  • libxtst 1.2.3 or higher
  • NetworkManager 0.7 or higher
  • PulseAudio