you will need to set our static front page first.
go to dashboard >> pages >> add new >> set title as home >> set page template as homepage from the page attributes options on the right side.
then go to settings >> reading >>set static front page as home >> click ob save changes
the template will appear with the sliders and other sections.
please use our full documentation on how to use the theme https://luzukdemo.com/demo/cleaning-services/documentation/