How does Win7 Ultimate ensure that SHA1 and MD5 values ​​are consistent?

In the win7 Ultimate, some values ​​can be unified to ensure the integrity of the download. This is a very important issue. If you need to reinstall the system, for SHA1 and MD5. The consistency of the values ​​will have a very important role and will also facilitate the normal installation of the system.
During the Windows 7 installation process, SHA1 and MD5 are important indicators for uniquely determining the file, so the user must ensure that the hash values ​​of these two values ​​are unified. The verification of these files is especially after downloading the file. Need to verify important files, these checks are related to the verification of large software in the office, so this time it is best to download the verification tool before downloading large software.
1. Download the software about verifying the hash value, and then open the check file.
2, compare Sha1 or MD5 values, if the values ​​of the two are consistent, then you may wish to download these files that need to be verified, and if they are inconsistent, it is strongly recommended to download them, especially in the installation of Windows7. The left and right are very obvious.
3, find and win7 pure version 32-bit download related files, which have SHA1, MD5 value related files, must be fixed before the installation file, so that it will be beneficial to the later stage of the file Installation, the two files need to be unified before the verification of OFFICE.