Windows users may be wondering what an md5sum is, an SHA1, or any of the like. There is more information here
about what they are, and the necessity for them.
The link above that I've put here will explain it to you, and help you along your way with a program called FCIV. FCIV is also a program that is an unsupported program that Microsoft has posted about
, and I've found it to be quite good. Click the "Show" button here, and you can see it in operation:
So, what are you waiting for? You now have the necessary tools to do it. Download this wonderful free set of tools, and back up your system while it's still in a healthy state. You won't regret it.
Installation instructions and download for FCIV are included in this post.