You may enable/disable the top panel via Theme Options > General > Header Settings.
Please read more about widgets https://xstore.helpscoutdocs.com/article/48-widgets-custom-widget-areas
There is no detailed description in the documentation for Theme Options, but you may ask here and our team will gladly assist you.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.