what do you mean with copy protection. Do you mean the technologie questions. I get these questions. so i think it isn´t an cracked version.

i´m running version 747.04 i rty 10000 cycle maybe it helps

After some minutes playing civ I it crashes down. When i try to build something in a city by clicking on the change button the game halted. i use dosbox 0.65 and stndart configuration. could someone help me. PS sorry for my bad english 😀