You can install new or additional features, or functions, using IBM Installation Manager.
When you install Rational Software Development products using IBM Installation Manager, you can install all of the features available to you, or choose customize your installation by selecting to install only the features that you need. You can, however, choose to install the excluded optional features at a later date. New optional features that provide new functions to your installed products might become available for installation.
Using the Modify Installations function in IBM Installation Manger, you can install new or additional optional product features for the products it has installed on your system. It is installed on your system when the first Rational Software Development Platform product is installed.
Details on installing updates are available in the IBM Installation Manager online help.