I'm crying for help - can't find system image

Also, when you do the user files and folders, select let me choose and uncheck the box that says include a system image. Then do user files backups and separate system image backups. The user files backup will be much smaller.

I'm happy to help, but those tutorials will teach you much more about it than I can. But do both backups separately just be sure to uncheck the include system image box.