Get to know the Windows registry better.
With REGDIFF you can compare two REG files in order to find out where modifications have been made to the Windows registry.
If an element in the registry configuration is modified (Windows configuration or software configuration) and if the registry is saved (either fully or partially) using RegEdit before and after this modification, the two different REG files obtained can be compared using RegDiff.
RegDiff will point out the differences between these two REG files so you can discover exactly where the modifications lie.