Here are simple steps to show how to use TightVNC to connect to your VNC server:

1) Click and run tightvnc-jviewer.jar
2) Enter Remote Host with your server IP
3) Enter VNC port number that you had setup at Port field
4) You can select Options to change your connection options to get optimum screen performance/quality

Take note that we don't provide any support for the software itself, for any further technical assistance, please refer to TightVNC FAQ