You can update installed Rational Software Development Platform products using IBM Installation Manager.
Periodically, IBM might provide updates, such as interim fixes, fix packs, and refresh packs, for your Rational Software Development Platform products. For best results, install the latest updates when they become available.
Using the Update Installation function in the IBM Installation Manger you can discover and install updates for Rational products installed on your system. IBM Installation Manager is installed on your system when the first Rational Software Development Platform product is installed.
Details instructions for installing updates are available in the IBM Installation Manager online help.