This is the latest official released Win 7 SP1 iso: Code: 36ae90defbad9d9539e649b193ae573b77a71c83 *en_windows_7_ultimate_with_sp1_x64_dvd_u_677332.iso = 36ae90defbad9d9539e649b193ae573b77a71c83 *Win7_Ult_SP1_English_x64.iso Code: 65fce0f445d9bf7e78e43f17e441e08c63722657 *en_windows_7_ultimate_with_sp1_x86_dvd_u_677460.iso = 65fce0f445d9bf7e78e43f17e441e08c63722657 *Win7_Ult_SP1_English_x32.iso