"Windows Server 2008/Windows Vista Service Pack 2 (SP2) Beta is an update to Windows Vista and Windows Server 2008. It provides customer and partner feedback driven fixes into a single service pack, minimizing deployment and testing complexity. In addition to all previously released updates, SP2 will contain changes focused on addressing reliability and performance issues, supporting new types of hardware, and adding support for several emerging standards.

SP2 Beta Standalone updates for computers with one or more of the following five languages: English, French, German, Japanese, and Spanish. If your computer has any other language installed this option will not work."