1) Download ClanSphere from www.csphere.eu and install it on your webspace. (Requieres Database)
2) Upload the Folders "templates" and "themes" from the fx-directory in the ClanSphere-Direcotry on your Webspace
3) Login as Admin on your Site and go to: System -> Templates and choose the FX-Interfaces Template. 
4) Go to System -> Themes. Now choose "fx" (fx-themeset)
5) Go to System -> Themes and delete the chache. This is important, to see all theme-files correctly.

Now everything should be fine :-)
Have fun with the Template!