Which of the following windows version support 64 bit processor?

Microsoft Windows XP Professional x64 Edition, released on April 25, 2005, is an edition of Windows XP for x86-64 personal computers. It is designed to use the expanded 64-bit memory address space provided by the x86-64 architecture.The primary benefit of moving to 64-bit is the increase in the maximum allocatable random-access memory (RAM).