After closing anti-virus software, looks like all packages can be found like Win 7. Sorry for my fault. I have tried out following 4 version ISO, all are OK. 8400.0.WINMAIN_WIN8RC.120518-1423_X64CHK_CLIENT_NOAPPS_EN-US-HRC_CCS_X64CHK_EN-US_DV5.ISO 8400.0.WINMAIN_WIN8RC.120518-1423_X64FRE_CLIENT_EN-US-HRC_CCSA_X64FRE_EN-US_DV5.ISO 8400.0.WINMAIN_WIN8RC.120518-1423_X64FRE_ENTERPRISE_EN-US_VL-HRC_CENA_X64FREV_EN-US_DV5.ISO 8400.0.WINMAIN_WIN8RC.120518-1423_X86CHK_CLIENT_NOAPPS_EN-US-HRC_CCS_X86CHK_EN-US_DV5.ISO Hi Lego, please help close this thread, thanks.