MD5 checksums, or MD5 hashes, are a kind of digital fingerprint for a file. They are used to verify that a file has not been altered or corrupted, either intentionally or unintentionally. MD5 checksums are often used to verify the integrity of downloaded files, such as software or firmware updates.
There are a number of different ways to check MD5 checksums in Windows. One common way is to use the certutil utility, which is included with Windows. To use certutil to check an MD5 checksum, open a Command Prompt window and type the following command: