Download Center : SQL Server Compact 3.5 SP1 Beta and Synchronization Services for ADO.Net v1.0 SP1 Beta
SQL Server Compact 3.5 SP1 Beta is a small footprint in-process database engine that allows developers to build robust applications for Windows desktops and mobile devices. This download contains the files for SQL Server Compact 3.5 SP1 Beta and Synchronization Services for ADO.Net v1.0 SP1 Beta