is distributed as a tar file, which contains a shell script and a pax file. From a temporary directory, extract the tar file.
tar xvf setup_dbc2.1-32bit.tar
Then execute the shell script as root.
./setup_dbc2.1-32bit.sh
Follow the instructions. If you are installing a 64-bit version, replace the 32-bit above with 64-bit. This copies files from the distribution medium to your product directory structure.