DownLoad:
Windows SharePoint Services 3.0 x64 Service Pack 2
URL:http://www.microsoft.com/downloads/details.aspx?familyid=9FB41E51-CB03-4B47-B89A-396786492CBA&displaylang=zh-cn
Windows SharePoint Services 3.0 Service Pack 2
URL: http://www.microsoft.com/downloads/details.aspx?FamilyId=EF93E453-75F1-45DF-8C6F-4565E8549C2A&displayLang=zh-cn
在Windows Server 2008上安装WSS 3.0，需要直接安装WSS 3.0 SP1,可参看
深入剖析 SharePoint：集成 Office 应用程序
http://technet.microsoft.com/zh-cn/magazine/cc565180(TechNet.10).aspx