= Software requirements =
To obtain the source code of Ecopath with Ecosim versions 5 and 6, you will need the following software:
 * A Subversion client such as [http://tortoisesvn.net/ TortoiseSVN]. Please contact us for details on how to configure SVN.

To compile the Ecopath with Ecosim version 5 sources you in [http://msdn.microsoft.com/en-us/vbrun/default.aspx Microsoft Visual Basic 6].
Ecopath with Ecosim version 6 is written in