- Enterprise Evaluation
Note: To upgrade SQL Server 2005 Express Edition, obtain the SP1 version of Express Edition or Express Edition with Advanced Services.
For a list of new features and improvements that are included in SQL Server 2005 SP1, review this KB Article.
Download at source.
Readme Files for SQL Server 2005 SP1 and SQL Server 2005 SP1 Express Editions and Tools
Microsoft SQL Server 2005 Express Edition with Advanced Services
Microsoft SQL Server 2005 Express Edition Toolkit
Microsoft SQL Server Management Studio Express
Microsoft SQL Server 2005 Upgrade Advisor