From the File menu Select Open → File (or use Ctrl+O) and then open following files:
- sqlserver-schema-5-1-schema.sql
- sqlserver-schema-5-1-sp.sql
- sqlserver-schema-5-1-props.sql
Subsequently select created database from the list of Available Databases (Ctrl+U) available on the toolbar and execute each of the opened files in the order listed above.