Microsoft offers this free if youre privliged enough to have a supporting processor(I dont)
http://download.microsoft.com/downl...-0b146bfd7501/w2k3sp1_1218_usa_x64fre_pro.iso
http://download.microsoft.com/downl...-0b146bfd7501/w2k3sp1_1218_usa_x64fre_pro.iso