Download Microsoft SQL Server 2012 RTM

Microsoft SQL Server 2012 enables a cloud-ready information platform that will help organizations unlock breakthrough insights across the organization.
Here is the fully functional trial version which will expire after six months:

Link – http://www.microsoft.com/downloads/info.aspx?na=41&srcfamilyid=a74d1b60-6566-4551-b581-03337853b82b&srcdisplaylang=en&u=http%3a%2f%2fdownload.microsoft.com%2fdownload%2f4%2fC%2f7%2f4C7D40B9-BCF8-4F8A-9E76-06E9B92FE5AE%2fENU%2fSQLFULL_ENU.iso