    ‘Sentence I: The updated 64-bit operating system , Windows XP  64-Bit Edition for 64-Bit Extended Systems , will run natively on  AMD Athion 64 processor-powered desktops and AMD Opteron  Processor-powered workstations .    ‘Sentence 2: Windows XP 64-bit Edition for 64-Bit Extended  Systems will support AMD64 technology , running natively on  AMD Athlon 64 powered desktops and AMD Opteron processor-  Powered workstations .