http://blogs.msdn.com/uac/archive/2006/08/14/700240.aspxThe TechNet team has a released a virtual lab that lets you get some experience with User Account Control even if you haven’t installed it on any of your machines. And if you have Windows Vista installed, the tutorials can help you learn about User Accounten-USCommunityServer 2.1 SP1 (Build: 61025.2)