If you get following error:
Unpacking the package…
Installing the theme…
The package could not be installed. The theme is missing the style.css stylesheet.
Theme installation failed.
The error occurs when you attempt to install the Superb Helper Pro plugin as a theme. The plugin has to be installed as a plugin – not as a theme.
You can install the plugin by heading to “Plugins -> Add New” from your WordPress dashboard and clicking the “Upload plugin” button.