Installation of TM4J is straight-forward. You simply need to ensure that each of the jar files in the lib directory are on your CLASSPATH.
Thats all there is to it! Once you have set up the CLASSPATH environment variable correctly, you should be able to then run the TM4J tools
If you wish to use the Hibernate or Ozone back-ends to store topic map data in a relational database or object-oriented database respectively, then you will need to complete a couple of extra steps. These are described in the appendixes of the TM4J Developer's Guide