Microsoft has confirmed that Xbox LIVE will be part of Windows 8.
According to Larry Hyrb, aka Major Nelson, “Xbox LIVE brings your games, music, movies, and TV shows to your favorite Microsoft and Windows devices. ”
This could mean that you could download a game from XBLA onto your PC and access it there and on your Xbox 360, as well Smartphones which have a Windows 8 OS. The same could stretch to movies and music.
The BUILD event, a place where developers can learn more about developing for Windows, is currently taking place in California so expect more news regarding the key features of Xbox LIVE on Windows 8.
Source: Major Nelson’s Blog