Philip, are you referring to this page http://www.howtomendit.com/answers/0000104.htm ?
The file downloaded is a Zip File. (This is a compressed archive file containing the files you need. You need a copy of WinZip to extract the registry files from this.) Extract the .reg files and save them on you computer. Then open the one you want to use (the lock) by double-clicking on it.
Will
November 2003