Windows XP build 3790
|Build of Windows XP 64-Bit Edition 2003|
Windows XP build 3790 is the RTM of Windows XP 64-Bit Edition 2003. This version adds support to the Itanium 2 processor and is now based on the Windows Server 2003 codebase. Unlike x86 versions of Windows XP, it didn't have the Luna theme and it is more slower in performance on x86 programs when compared to programs meant for the Itanium processor.