The Presto Installation Guide you can use for installing and configuring the Presto Developer Edition.
You can view all of the Presto documentation here. If you'd like to download the documentation, you can get the complete Presto Documentation Library at http://www.jackbe.com/prestodocs/download/index.php.
All the nitty-gritty additions, updates, and fixes.
The Developer Documentation includes overviews, tutorials, help for all Presto applications and connectors, development guides and API reference information. If you can't find it here, hit the forums (http://www.jackbe.com/enterprise-mashup/forum) and tell us so!
The Administration Documentation section includes installation, deployment and administration instructions for Presto.