Download Windows Vista Service Pack 2 Beta Version
You can download the service packs SP2 for Vista by 2 ways which provided by Microsoft. First, you can direct download the service packs and this is maybe the fast method. And the second method by download a small script which will be add an entry to windows registry which will make the service pakcs available in windows update.
For your information, this is still in BETA version and I suggest you do not install it to your computer for works. This beta service pack of windows Vista will be expire in May 2009.
Here is the links for the first method and second method.
