# System Requirements

## Windows

### Operating Systems (32-bit and 64-bit)

- Windows 7
- Windows 8
- Windows 8.1
- Windows 10

Please note that SeaMonkey 2.49.5 was the last release to run on Windows XP and Vista.

### Minimum Hardware

SeaMonkey on Windows needs a CPU supporting the SSE2 instruction set.

- Pentium 4 1.5GHz (Recommended: Intel Core 2 Duo 1.8GHz or greater)
- 1 GB RAM
- 500 MB of free hard drive space

## Mac

### Operating Systems

- Mac OS X 10.9 or higher

### Minimum Hardware

- Macintosh computer with an Intel processor
- 500 MB of free hard drive space

## Linux

### Software Requirements

Please note that Linux distributors may provide packages for your distribution which have different requirements.

- The following library versions (or compatible) are required:
  - GTK+ 3.4 or higher
  - GLib 2.22 or higher
  - Pango 1.14 or higher
  - X.Org 1.0 or higher (Recommended: 1.7 or higher)
  - libstdc++ 4.6.1 or higher
- Recommended for optimal functionality:
  - NetworkManager 0.7 or higher
  - DBus 1.0 or higher
  - GNOME 2.16 or higher

### Minimum Hardware

- Pentium 2 800MHz (Recommended: Intel Core 2 Duo 1.8GHz or greater)
- 1 GB RAM
- 500 MB of free hard drive space