MD5 Checksum
This is a 32-character alphanumeric string (e.g. 9F6E6800CFAE7749EB6C486619254B9C) that can be computed for each file with native command line tools md5 (Mac OS X) or md5sum (Linux).
For Windows users, there are several ways.
Using command line program for Windows
Press the Windows icon + R, the following interface appears, enter
cmdto open the program.
Enter the following command to calculate the MD5 value:
CertUtil -hashfile Path\filename MD5
For example,
Using Windows PowerShell
Open Windows PowerShell, enter the following command to calculate the MD5 value:
Get-FileHash Path\filename -Algorithm MD5| Format-List
For example,
Using the third party tools, e.g. Fsum Frontend.