front-page.php

<?php get_header();

//If static page is front-page, get it's template.
if ( get_option( 'show_on_front' ) == 'page' ) {

	$zerif_keep_old_fp_template = get_theme_mod( 'zerif_keep_old_fp_template' );
	if ( ! $zerif_keep_old_fp_template ) {

		//For users who had previously installed 1.8.5 or less. Keep the old settings.
		if( zerif_check_if_old_version_of_theme() ) {
			include( get_page_template() );
		} else {
			// For new users add the frontpage template for every static page
			get_template_part( 'content','frontpage' );
		}
	} else {
		include( get_page_template() );
	}

} else {

	//For users who had previously installed 1.8.5 or less. Keep the old settings.
	if( zerif_check_if_old_version_of_theme() ) {

		get_template_part( 'content','frontpage' );

	} else {
	//For new users. Display the correct WordPress content.

        if( ! zerif_check_if_old_version_of_theme() ) {

            $blog_header_title = get_theme_mod( 'zerif_blog_header_title', esc_html__( 'Blog', 'zerif-lite' ) );
            $blog_header_subtitle = get_theme_mod( 'zerif_blog_header_subtitle', esc_html__( 'Zerif supports a custom frontpage', 'zerif-lite' ) );

	        if ( ! empty( $blog_header_title ) || ! empty( $blog_header_subtitle ) ) { ?>
                <div class="blog-header-wrap">
                    <div class="blog-header-content-wrap">
				        <?php if ( ! empty( $blog_header_title ) ) { ?>
                            <h1 class="intro-text"><?php echo esc_html( $blog_header_title ); ?></h1>
				        <?php }
				        if ( ! empty( $blog_header_subtitle ) ) { ?>
                            <p class="blog-header-subtitle"><?php echo esc_html( $blog_header_subtitle ); ?></p>
				        <?php } ?>
                    </div>
                </div>
		        <?php
	        }
        }
        ?>
			<div class="clear"></div>
			</header> <!-- / END HOME SECTION  -->
			<?php zerif_after_header_trigger(); ?>
			<div id="content" class="site-content blog-site-content">

				<div class="container">

					<div class="content-left-wrap col-md-9">

						<div id="primary" class="content-area">

							<main id="main" class="site-main" itemscope itemtype="http://schema.org/Blog">
								<?php
								if ( have_posts() ) :

									while ( have_posts() ) : the_post();

										/* Include the Post-Format-specific template for the content.
										 * If you want to override this in a child theme, then include a file
										 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
										 */

										get_template_part( 'content', get_post_format() );

									endwhile;

									echo get_the_posts_navigation( array( 'next_text' => sprintf( __( 'Newer posts %s','zerif-lite' ), '<span class="meta-nav">&rarr;</span>' ), 'prev_text' => sprintf( __( '%s Older posts', 'zerif-lite' ) , '<span class="meta-nav">&larr;</span>' ) ) );

								else :

									get_template_part( 'content', 'none' );

								endif;
								?>
							</main><!-- #main -->

						</div><!-- #primary -->

					</div><!-- .content-left-wrap -->

					<?php zerif_sidebar_trigger(); ?>

				</div><!-- .container -->
			<?php
	}
}

get_footer(); ?>