Registry Key Diff is a tool to allow you to compare two different local registry keys to see what is the same and what is different about them. It was created to compare PuTTY sessions to see why one session acts differently than an almost identical one.
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Prerequisites
The following items are required for Registry Key Diff to run properly.
The following operating systems are supported for running Registry Key Diff. It may run on other operating systems, but I have not tested any except the ones listed.