I am returning to Trainz after years away. (Trainz 2004, 2006 and 2010).
Having downloaded Thackalane's SCS 2006 "instructions" (kuid 41009:1046) I now have this 1,414 KB .cdp file on my computer. What do I do to "open" it?
If I click on it I get an error message "Unable to register Trainz...