Windows XP Professional 64 Bit

Para las pcs con poca memoria Windows 64 Bit

http://download.microsoft.com/download/7/a/f/7af62a47-5020-42ec-9eb3-0b146bfd7501/srv03sp1_usa_1069_amd64fre_pro.iso
o

http://download.microsoft.com/download/f/3/0/f30500f0-0eef-48fc-884b-3b0902885ff1/w2k3sp1_1433_usa_x64fre_pro.iso