SQL Server 2008 Express Edition SP1 - Englisch
The SQL Server 2008 Express Edition Service Pack 1 (SP1) is now available. SQL Server 2008 Express is a free edition of SQL Server that is ideal for learning and building desktop and small server applications, and for redistribution by ISVs. SQL Server 2008 Express is available for x86 and x64 systems. SQL Server 2008 Express is not supported on IA64 systems.
The following files are available for download from the Microsoft Download Center:
Microsoft SQL Server 2008 Express Edition Service Pack 1 - Englisch
Microsoft SQL Server 2008 Express is a powerful and reliable data management system that delivers a rich set of features, data protection, and performance for embedded application clients, light Web applications, and local data stores.
http://www.microsoft.com/downloads/details.aspx?FamilyID=01af61e6-2f63-4291-bcad-fd500f6027ff&DisplayLang=en
Download -> SQLEXPR32_x86_ENU.exe
Download -> SQLEXPR_x86_ENU.exe
Download -> SQLEXPR_x64_ENU.exe
SQL Server 2008 Express includes both 32-bit and 64-bit versions. SQLEXPR32_x86 is a smaller package that can be used to install SQL Server 2008 Express onto only 32-bit operating systems. SQLEXPR_x86 is the same product but supports installation onto both 32-bit and 64-bit (WoW) operating systems. SQLEXPR_x64 is a native 64-bit SQL Server 2008 Express and supports installation onto only 64-bit operating systems. There is no other difference between these packages.
SQL Server 2008 Service Pack 1 - Weitere Downloads