The Microsoft XNA team is pleased to inform you that the Microsoft XNA Game Studio Express (Beta) is now available at the Microsoft Download Center from the following location:
http://msdn.com/directx/XNA/gse/. As this is a beta release, we ask that you bear with the few rough spots throughout the product and documentation. The most up to date requirements and known issues for XNA Game Studio Express (Beta) are contained in the readme file, located at
http://msdn.com/directx/XNA/gse/readme/. Please view the readme file before downloading or installing XNA Game Studio Express (Beta).