Dear Admin,
I follow the instruction like this :
Homepage Alternate 2
Create a page.
1. Select “Homepage Alternate 2” template for your page from Page Attributes box in the
editing screen of your page.
2. Add a gallery to your page content by clicking the Add Media button above the content editor. (Or just use the slider shortcode).
3. Publish your page.
4. Assign your page as a Front page from Settings > Reading.