To use revolution slider first you have to select homepage 2 than you can use revolution slider.
Create homepage steps :-
In WordPress dashboard go to pages submenu and click on Add New.
Here You can create a page template. In this field , you can enter page title, page description, thumbnail image and read more button using custom field.
At the right side under the template drop-down select homepage2.
Click on the Update button.
Use revolution slider steps :-
In WordPress dashboard go to appearance submenu and click on customize.
After clicking on customize you will in theme customizer.
than click on Slider Section -> Rev slider.
Here you can use write your shortcode to display revolution slider.