Calculate MD5 In Windows
MD5SUM is the program you are looking for to easily calc md5 hash values in Windows (and everywhere else).
You can google for it, but if you're lazy, I've already done so:
http://downloads.activestate.com/contrib/md5sum/Windows/
Apache.org has a collection of links to MD5 tools (and a bit of a tutorial) too:
http://httpd.apache.org/download.cgi
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