1, download this compressed file from the followed URL
2. decompress it to an folder.(c:\games\digger)
3. make sure the computer can find the digger.exe at C:\Games\Digger\\Digger.exe
4.double click the digger.reg the press ok
5.find .drf file from the given folder.
7. for more information, go to www.digger.org.
Page Link: http://www.digger.org/digextra.zip