By default, when you activated theme. Your homepage will display your recent posts and you can change its option. From your admin sidebar Settings > Reading > Front page displays select “Your latest posts”. You can also change number of blog posts per page there too.
You can also change your homepage content to a page. From your admin sidebar Settings > Reading > Front page displays select “A static page (select below)” and select a page you want to use as homepage.
Since this option works with any default WordPress pages. So you can create a page using “Content Builder”, shortcode or any HTML too.
Setting Gallery as Homepage
Next is to setup your gallery to display as your homepage. First you have to create a gallery page. From your admin sidebar, open Pages > Add New. You will get add new page form. Enter page title and description.
Next look at “Page Options” box and select Gallery you want to display.
Then look at “Page Attributes” box and select Gallery as page template and save changes.
Next is to select recent created gallery page to display as your homepage. From your admin sidebar, open Settings > Reading> Front page displays then select “static page”