XBMC is the best media center on XBOX. To upgrade the XBMC, doing the following steps. 1) FTP to XBOX by IP address. say 192.168.0.123 2) Backup the following files and delete them from the XBOX e:\apps\xbmc e:\udata\0face008\ e:\tdata\0face008\ 3) Upload the latest XBMC you download. The upgrade is very simple. Just uploading, then finished.