How to delete registry keys after removing a program so it can be reinstalled and start a new trial period?

Question

as it says above, the program is delinvfile unless some one has a registration code for this....

Answer 1

Of course this would be in violation of the program makers license agreement. Yahoo answers does not allow us to advise you how to do this.

However, if you want to edit the registry, just use Windows to run regedit.

Back up the registry before you do anything,

Delete the wrong key and Windows stops running.