Notes from past installation. May be incomplete
Performed onb eclipse helios 3.6 and Indigo 3.7
Add paddwalker to perl
ppm install padwalker
Download site (I think this is the epic-ide site for eclipse)
Extract locally. Capture the site folder name
Go to eclipse Help | Install New Software | Add Site, Provide local Path
You might be able to have eclipse install it directly using the following...