After in Rendering_Enviroment
Right click by mouse to map which is like background to sky and Clear it_also put black color
Choose create light in right panel
Alt+Q to separate object_we can move light and his direction
Copy light by right click of mouse to screen and choose Clone_Instance to have same parameters (if you change one light, all lights will change)
Clone_copy to have independent light
Try lights in render
And play with opcions of lights to get light which we want_modify light
