种子文件：http://www.cncsk.com/download/sql_server_2005_Developer.rar

此版本为简体中文开发版，总大小1.54G。功能和企业版一样，版权问题上只能做开发、测试等使用，商业活动请购买其他版本。此版本可以安装在XP上。

下面是官方的说明。

Developer Edition allows developers to build and test any type of application with SQL Server on 32-bit, ia64, and x64 platforms. Developer Edition includes all of the functionality of Enterprise Edition, but is licensed only for development, test, and demo use. Each license of SQL Server 2005 Developer Edition entitles one developer to use the software on as many systems as necessary and additional developers can use the software by purchasing additional licenses. For rapid deployment into production, Developer Edition can easily be upgraded to SQL Server 2005 Enterprise Edition.

下面是SQL Server 2005 各个版本功能的对比。

http://www.microsoft.com/sql/prodinfo/features/compare-features.mspx