以下是Microsoft SQL Server各版本官方下载地址：
Microsoft SQL Server 2008
http://sqlserver.dlservice.microsoft.com/dl/download/B/8/0/B808AF59-7619-4A71-A447-F597DE74AC44/SQLFULL_CHS.iso
Microsoft SQL Server 2005
http://download.microsoft.com/download/e/c/9/ec94d450-8d59-490d-8b3d-edf61c570615/SQLEVAL_CHS.ISO
Microsoft SQL Server 2005 Service Pack 2
http://download.microsoft.com/download/b/2/d/b2de7975-6df7-4aec-b18a-17d17bd6c79c/SQLServer2005SP2-KB921896-x86-CHS.exe
Microsoft SQL Server 2000
http://download.microsoft.com/download/SQLSVR2000/Trial/2000/NT45/CN/SQLEVAL.exe
Microsoft SQL Server 2000 Service Pack 4
http://download.microsoft.com/download/9/b/f/9bff6646-2cdb-4069-ada0-548be9cb9338/SQL2000-KB884525-SP4-x86-CHS.EXE