IBM provides a useful technote explaining how to download IBM Connections 4.0:
This document describes how to download and assemble IBM Connections 4.0 from Passport Advantage.
IBM Connections is social networking software designed for the workplace. Its applications help you to establish dynamic networks that connect people, information, and business goals.
To access a wide variety of technical resources for the product, visit the IBM Connections web page on developerWorks.
- 3 GB of disk space to store the full set of downloadable parts, and 11 GB of disk space to unpack the parts.
- 100 GB of disk space to install and configure the product (including databases).
The key information contained is the part numbers for all required and optional parts. Definitely worthwhile to print and have available when downloading from Passport Advantage or Partnerworld!