Xbox 360 Game High-Definition Videos

http://www.microsoft.com/downloads/details.aspx?FamilyID=abde1e02-b529-469e-ae6a-7417fcde9e12&DisplayLang=en

System Requirements
The minimum requirements for viewing high-definition (720p) videos are: Microsoft Windows XP, Windows Media Player 9 Series, a 2.4 GHz processor or equivalent, 384 MB of RAM, a 64 MB video card, 1024x768 screen resolution, and a 16-bit sound card with attached speakers. For more information and to test your system compatibility, visit www.wmvhd.com.