Product upgrade and migration
When you want to use the enhanced functionalities of Rational® Performance Tester, you must upgrade to the latest version of the product software.
You can upgrade Rational® Performance Tester to the latest version by uninstalling the existing version of Rational® Performance Tester. You can then install the latest version of Rational® Performance Tester.
After you install Rational® Performance Tester 10.2.3, at any point in time if you want to use the previous version of the product, you cannot roll back to the previous version. If you want to use the previous version of the product, you must uninstall the existing version, and then install the required version of the product.