Quote Originally Posted by Daishi View Post
In that case, you'd probably just tell the installer where your base Halo Custom Edition directory is, and it would install there instead of the default.
It would basically do the same thing as the CD key recovery tool.

It could be setup so it searches for a registry key containing the CD key, and as an added bonus it can check against a list of all known illegal CD keys to keep pirates from getting their hands on the Halo campaign (otherwise you're contributing to piracy).