Users Guide
There is not much documentation right now, but some of the documentation for an older version of the system is still useful: [1]. Also, our older webpage has links to a number of papers that contain information on the various features of the system: [2].
Alternatively, you can subscribe to the vistrails users mailing list. Details are on how to do that, are available here.
Getting_Started
VisTrails is available on Windows XP, Mac OS X, and Linux. These versions all have the same functionality and only differ in user interface as noted throughout this document.
There are different download options, available here. It is substantially easier to start with a binary version, and this is encouraged for first-time users. If you decided on a source version (maybe because a binary version for your architecture is not available), please follow the instructions on building the software from source available here.