MD5Sum is a Windows utility to calculate and compare MD5 checksums. MD5 checksums are a way of verifying a file is not corrupt.  For more information on how MD5 works, have a look here: http://en.wikipedia.org/wiki/MD5

This utility, you can compare 2 files, or 1 file and the MD5 sum pasted on the windows clipboard.  It's multi-threaded, and can compute 2 MD5's simultaneously.

• There is a 32bit version for Windows 95/98/Me/Win2k/XP/Srv2003/Vista/Win7
• There is a 64bit version for x64 based Windows operating systems (XP x64, Srv2003 x64, Vista x64, Win7 x64).

MD5SUM - 64bit software

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• MD5SUM
• Latest version: 2.0
• Release date: 2009-12-28
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