Each are important because if you made the rule on your own subject you would be allowed to not have anyone steal it and if someone did they would haft to pay you. But if you are the one stealing it you get in magor trouble even for filming a clip of something.
Depends on the software you are using, but, in most cases you can click on "file" and there should be an "add new" option. There may also be a preview of the slides to the left of the screen with an add button.