Well basically, like the title says, I installed KerbalEngineer like it said to. It shows the parts in-game, but they do nothing. Mod and game are up to date. I tried with other mods as well, but the same thing happened. I used CKAN and didn't use it. I'm using the steam version, so I don't know if that is a problem. I also am using the x64 version. Any help? Thanks.