Click Connect SQL Server Compact... in MS SQL Server Management Studio.
In the Connect to Server window click on the drop-down handle as shown.
Click on the drop-down item "Browse for more..."
Click OK. The Connect to Server gets updated.
You may not be able to connect to the database as permissions are needed.
You can modify the permissions on the sample database. The database gets dispalyed in the Management Studio after you click OK on the Connect to Server window after modifying the premissions.