Vista SP2 RC提供了.exe和獨立ISO鏡像兩種格式，但其實，用戶還可以自動更新來更新，和當初SP1時一樣，修改一個注冊表鍵值即可實現，微軟為此還特地提供了一個工具。在安裝SP2 RC前，用戶必須首先安裝有SP1，如果安裝有SP2 Beta，必須先卸載。
想要通過自動更新來更新SP2 RC的用戶只需下載下面的文件后，右鍵-以管理員身份運行即可。
附部分原文：
On March 3, Windows Vista Service Pack 2 and Windows Server 2008 SP2 went live on the Microsoft Download Center. A day later, Microsoft was confirming officially that the second service pack for Vista and Windows Server 2008 had indeed been made available to the public, after the bits were initially released to MSDN and TechNet subscribers the past week. ...
