I think he means where do you save a demo on your computer. If that is the question you can save stuff related to fpsc to the file c:/programfiles/thegamecreators. Then it should say fps creator you can save where you want under the fps program or next to the fps program.Then you save the file of what you want to call it, then save it next time you want to use it look under the place i told you to go and it should be there. If you have a hard time finding upgrades for the fpsc program try these,
http://www.fpscreator.com/downloads.html If that is what you are looking for here you go.
Hollywood
Wow, are you famous or something?.........Just because I am from Hollywood doesn't mean I am famous...or am I from Hollywood..... am I famous?