32-bit (x86) Windows 7 Ultimate RTM English Retail DVD ISO Image
File Name: 7600.16385.090713-1255_x86fre_client_en-us_Retail_Ultimate-GRMCULFRER_EN_DVD.iso
Size: 2501894144 bytes
CRC: C1C20F76
MD5: D0B8B407E8A3D4B75EE9C10147266B89
SHA-1: 5395DC4B38F7BDB1E005FF414DEEDFDB16DBF610
64-bit (x64) Windows 7 Ultimate RTM English Retail DVD ISO Image
File Name: 7600.16385.090713-1255_x64fre_client_en-us_Retail_Ultimate-GRMCULXFRER_EN_DVD.iso
Size: 3224686592 bytes
CRC: 1F1257CA
MD5: F43D22E4FB07BF617D573ACD8785C028
SHA-1: 326327CC2FF9F05379F5058C41BE6BC5E004BAA7
Note: The file sizes, MD5, SHA-1 and CRC checksum hash values of ISO images have confirmed to match official record, so the ISO images is indeed a real original Windows 7 RTM ISO.
The official MD5 and SHA-1 checksum for the original Windows 7 DVD ISO have been posted earlier, where user can use a
hash calculator to compare the hash values.
Windows 7 RTM does not accept Windows 7 Beta product keys nor Windows 7 RC product keys. Most activation cracks or activators for Windows 7 RTM is based on frankenbuild method that does not pass validation. Currently, the best alternative is
to rearm Windows 7 for 120 days free usage without activation, while waiting for genuine product keys available on MSDN or TechNet, or retail product keys to available, or for crack-maniac, the OEM certificate and SLP product key for OEM style offline instant activation crack.