This article is just starting.
The BonsaiFramework uses a portable development environment. Download the package that matches your operating system. Unzip the package and launch Eclipse.
Put links here. In the chart there should also be a 64-bit version using 32-bit Java. Full 64-bit version will not be encouraged at this time, 2011-02-25.
The remainder of this document provides details about how to build/adjust the portable environment yourself.
Eclipse Setup
Download Eclipse IDE for Java EE Developers. Eclipse has no install. It is simply a matter of uncompressing.
Uncompress to c:\apps\