1. Installation
========================================================================

For installing Scyther on systems running Microsoft Windows, proceed to
'2. Windows'. For installing Scyther on systems running a version of the
Linux operating system, proceed to '3. Linux'.


2. Microsoft Windows
========================================================================

Windows users that already have the Python language installed are
advised to follow the generic installation procedure (detailed in
Section 4 below) to install the remaining items. If you don't have (or
are not sure) whether you already have python, the following two steps
will get Scyther up and running:

2.1. Install GraphViz

  This library is used by the Scyther tool to draw graphs. It can be
  freely downloaded from:

	http://www.graphviz.org/

  Download the latest stable release and install it.

2.2. Install Enthought Python

  Visit:
  	
	http://code.enthought.com/enthon/#download

  Download the latest release at the bottom of the page, and install it.
  Note that this is a fairly large file (+- 125 MB) which can take a
  while to download.

2.3. Start scyther

  Double-click:

  	scyther-gui.py

  In the directory where you found this file.


3. Linux
========================================================================

For Linux users, it is easiest to follow the generic installation
procedure (detailed in Section 4 below).

Note for Ubuntu users: all required packages are directly available from
universe.


4. Generic Installation
========================================================================

4.1. Requirements

To be able to use Scyther, you need the following things:

4.1.1. The GraphViz library.

  This library is used by the Scyther tool to draw graphs. It can be
  freely downloaded from:

	http://www.graphviz.org/

  Download the latest stable release and install it.

4.1.2. Python and Python libraries.

  The graphical user interface of Scyther is written in the Python
  language. Consequently, the following things are required:

  	Name:			Where to download:

  	Python			http://www.python.org/download/
	wxPython (*1)		http://www.wxpython.org/download.php
	cElementtree		http://effbot.org/zone/celementtree.htm

  *1: Note that there are many different wxPython packages. Any package
  that matches your Python version (currently 2.4) will do just fine.

4.2. Running Scyther

  Start Scyther by executing the file

  	scyther-gui.py

  in the directory where you found this file.


