Hello @vsotin,
For Slider on the home page, you have to follow below steps.
Step 1. Add new page as homepage >> Select ” Custom Home Page ” from page attribute >> Update it.
Step 2. Go Dashboard >> Appearance >> Customize >> Home page Settings >> Select Home page in static page.
Step 3. Add a New page for slider add your title, content and featured image then update it.
Step 4. Go Dashboard >> Appearance >> Customize >> Slider Settings >> Click on hide and show box twice >> and then select your slider pages.
Let us know if you need any kind of help.
Thanks.