tar xvf classes_ext.tar.gz

# Edit top line of Makefile to set JAVA_PATH 
make

# Download TCW_4.tar.gz, and put the following two in the TCW_4 directory:
#   the /Ext directory, which contains the external programs used by TCW.
#   the /projects directory, which contains the demo files 
#                              and provides the data directory structure.