Dolphin installation is simple and your host provider will be more than happy to install it for you.
Installation takes about 15 minute to 30 minute or less/
Or you can just contact your host provider they will be more than happy to install dolphin for you free and installation takes about 30 minute to 1 hour.
Or Watch these videos: http://www.youtube.com/watch?v=CbWTMUpHm4o or http://www.youtube.com/watch?v=QSfvVDLAGNM
