If you want to experiment, study the code, adapt MacCVSClient to your personal needs, fix bugs, contribute to the MacCVSClient project or the like, you need to get the sources so you can build MacCVSClient yourself. In addition to the application package itself, you might want to download the the User Guide. So you just want to use MacCVSClient. You are not interested in technical internals but need to access a CVS server from your Mac and want to get there as fast as possible. Then you are right here.
Installation is very simple.
You download the application binary suitable for your platform, unpack it with StuffIt Expander 5.x and you are all set. Unpacking the archive creates a folder containing the MacCVSClient application and the GNU General Public License . You should move the application to wherever you keep your utilities, tools, or applications. MacCVSClient does not depend on living in a special place. Just start the application.