Windows 7 RTM Build 7600.16385.090713-1255 CRC and SHA-1 ChecksumsTaimur Asad·July 24, 2009The 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.