You can upgrade to SQL Server 2016 supports upgrade from the following versions of SQL Server:
•SQL Server 2008 SP3 or later
•SQL Server 2008 R2 SP2 or later
•SQL Server 2012 SP2 or later
•SQL Server 2014 or later
•SQL Server 2008 SP3 or later
•SQL Server 2008 R2 SP2 or later
•SQL Server 2012 SP2 or later
•SQL Server 2014 or later