The SERVERPROPERTY function returns property information about the server instance.
Run the following query in your SQL Server:
SELECT SERVERPROPERTY('productversion') as 'Version',
SERVERPROPERTY ('productlevel') as 'Service Pack',
SERVERPROPERTY ('edition') as 'Edition';
Version Service Pack Edition
-------- ------------ -------
11.0.5343.0 SP2 Enterprise Edition (64-bit)