The original CRC and SHA-1 checksum values for Windows 7 RTM Build 7600.16385.090713-1255 untouched (original) ISO from Microsoft are now out! Daniel Melanchthon who writes on one of the TechNet blogs has posted the original hashes as follows:
- Windows 7 Retail Ultimate English (x86)
Name: 7600.16385.090713-1255_x86fre_client_en-us_Retail_Ultimate-GRMCULFRER_EN_DVD.iso
CRC: 0xC1C20F76
SHA-1: 0×5395DC4B38F7BDB1E005FF414DEEDFDB16DBF610 - Windows 7 Retail Ultimate English (x64)
Name: 7600.16385.090713-1255_x64fre_client_en-us_Retail_Ultimate-GRMCULXFRER_EN_DVD.iso
CRC: 0×1F1257CA
SHA-1: 0×326327CC2FF9F05379F5058C41BE6BC5E004BAA7 - Windows 7 Retail Ultimate E English (x86)
Name: 7600.16385.090713-1255_x86fre_cliente_en-us_Retail_UltimateE-GRMCEULFRER_EN_DVD.iso
CRC: 0×953EFBCC
SHA-1: 0xBC10F09B86DCBAF35B31B0E6FBA7D006ACAAD28D - Windows 7 Retail Ultimate E English (x64)
Name: 7600.16385.090713-1255_x64fre_cliente_en-us_Retail_UltimateE-GRMCEULXFRER_EN_DVD.iso
CRC: 0×77BE890E
SHA-1: 0×029DCCEDD7691206010F84CE58343405A4DA92C9
Make sure that the iso files you download matches the exact hash values as stated above. Use HashTab utility to check whether you have got the real thing or not.
