You'll have to give us a few more details. Try to be exact, and if it helps, take screenshots for us.
First we'll need your computer specs: operating system, processor, RAM amount, and video card model. If you're on Windows, you can find this information by typing dxdiag into the Run command.
After you install the game, make sure you're running the actual client and not the installation all over again. The game will be installed by default (on Windows again) in C:\Program Files\PlaneShift Crystal Blue. You should find it in your Start menu, and you'll need to run the psclient.exe application.