If you are asking how to move a file drive to drive using drag and drop, it is not necessary to tinker with the registry: Take a look HERE .
Hi, this is a request for a reg hack. Here's what I want to do:
When one drag-and-drops a file from one physical drive to another, the default action is "Copy here." Can anyone think of a way to make the default action "Move here," even if the destination drive is a different physical disk?
I assume it's necessary to tinker in the registry to do this, but if there's another way, let me know that too. Thanks in advance.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic