The solution for importing demo sliders of other layouts which available in themes.
If the desired demo slider isn't included in your current layout or deme slider of another layout seems more suitable for your project, you can easily import any demo slider of the theme:
Please go to the Slider Revolution section of the WordPress dashboard menu and click on Import Slider button.
In the popup window, you need to select the needed demo slider package from this path "...\wp-content\plugins\stm_importer\demos\layout-name\sliders\".
Please note, where "layout-name" - is a name of the layout which contains a certain slider and it can be different according to the installed theme.