(Optional) Download and apply the [Microsoft Support Hotfix KB2960153](https://support.microsoft.com/en-us/topic/kb2960153-on-demand-hotfix update package for SQL Server Compact 4.0 Service Pack 1) to apply critical stability updates. Microsofthttps://www.microsoft.com Microsoft® SQL Server® Compact 4.0 SP1
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The engine runs entirely in-process within the host application container, eliminating the need to install or maintain a background Windows service. (Optional) Download and apply the [Microsoft Support Hotfix
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4.0.8482.1 (Base SP1) | 4.0.8902.00 via [On-Demand Hotfix KB2960153](https://support.microsoft.com/en-us/topic/kb2960153-on-demand-hotfix update package for SQL Server Compact 4.0 Service Pack 1) .NET Framework 3.5 SP1 or .NET Framework 4 Key Features of SQL Server Compact 4.0