Use the installers to install the new version. Best practice is to use a new folder for the installation and integrate the version of inspectIT into the folder name.
Necessary adaptions
From version 1.7.10 dynamic instrumentation has been disabled by default on the IBM JVM due to the possible problems with re-transformation of classes. In addition after using class re-transformation on the IBM JVM, the JIT compilation is completely suspended by the JVM. Thus, it's advised not to use re-transformation with the IBM JVM. However, Environment configuration allows overriding of the default settings if needed.