XBMC has been renamed to Kodi and subsequently the Raspbmc port will also be renamed to OSMC. To view the latest tutorial on how to install OSMC on the Raspberry Pi click here.
Setting up Raspbmc on the Raspberry Pi - soon to be OSMC - using Windows 8
The Raspbmc image for the Raspberry Pi is a port of the Media Center software XBMC. It is a beautiful media center interface and since the final port has been completed is an absolute pleasure to use on the Raspberry Pi hardware. It makes the RPi a very affordable Media PC.