In the slider, you can show maximum of 8 images whereas minimum would be one. With each slider image you can set the heading and short description according to you.
Note: The optimal size of the slider image is 1920px wide * 654px height.
You can activate the slider on the home page by performing the following steps given below.
Dashboard ->Appearance ->Theme Options ->Slider Settings
Click on Upload Image button and upload the images which you want to show in the slider.
Moreover, you can also set the slider speed (in milliseconds) according to you.
For e.g. If you want to set the slider speed as 5 seconds then enter 5000.