Windows Server 2008 R2 Preactivated Enus July 2013 64 Bit Install -

A "July 2013" build usually implies a repackaged version of the software that includes Service Pack 1 (released in 2011) and various updates integrated up to that date. The Risks of "Preactivated" Software

If you proceed with installation for a lab environment (disconnected from the internet), here is the typical workflow:

Cumulative security patches from 2009 through July 2013 are baked into the image.