How to make comments nested

Hey! I am trying to enable nested comments in my theme. I am new to all this stuff but I am doing my best. This is the code that I have in my comments.php

<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
		<nav id="comment-nav-above" class="comment-navigation" role="navigation">
			<h1 class="screen-reader-text"><?php _e( 'Comment navigation', 'triday' ); ?></h1>
			<div class="nav-previous"><?php previous_comments_link( __( '← Older Comments', 'triday' ) ); ?></div>
			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments →', 'triday' ) ); ?></div>
		</nav><!-- #comment-nav-above -->
		<?php endif; // check for comment navigation ?>

		<ol class="comment-list">
			<?php
				/* Loop through and list the comments. Tell wp_list_comments()
				 * to use triday_comment() to format the comments.
				 * If you want to override this in a child theme, then you can
				 * define triday_comment() and that will be used instead.
				 * See triday_comment() in inc/template-tags.php for more.
				 */
				wp_list_comments( array( 'callback' => 'triday_comment' ) );
			?>
		</ol><!-- .comment-list -->

		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
		<nav id="comment-nav-below" class="comment-navigation" role="navigation">
			<h1 class="screen-reader-text"><?php _e( 'Comment navigation', 'triday' ); ?></h1>
			<div class="nav-previous"><?php previous_comments_link( __( '← Older Comments', 'triday' ) ); ?></div>
			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments →', 'triday' ) ); ?></div>
		</nav><!-- #comment-nav-below -->
		<?php endif; // check for comment navigation ?>

	<!--</div>-->
	<?php endif; // have_comments() ?>

and this is the code I have to display the comments

<div class="comment-author">
									<h3><i class="fa fa-user"></i><?php print(' ')?><?php comment_author( $comment_ID ); ?></h3>
							</div>
									<?php if ( '0' == $comment->comment_approved ) : ?>
									<div class="alert alert-danger">
										<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'triday' ); ?></p>
									</div>

									<?php endif; ?>
							<div class="comment-content">
								<?php comment_text(); ?>
							</div><!-- .comment-content -->
								<div class="comment-metadata">
									<a>comment_ID ) ); ?>">
										<time datetime="<?php comment_time( 'c' ); ?>">
											<p class="text-muted"><i class="fa fa-calendar"> </i> <?php printf( _x( '%1$s at %2$s', '1: date, 2: time', 'triday' ), get_comment_date(), get_comment_time() ); ?></p>
										</time>
									</a>

									<?php edit_comment_link( __( 'Edit', 'triday' ), '<span class="edit-link">', '</span>' ); ?>
								</div><!-- .comment-metadata -->
								<footer class="comment-meta">
							</footer><!-- .comment-meta -->
							<?php
								comment_reply_link( array_merge( $args, array(
									'add_below' => 'div-comment',
									'depth'     => $depth,
									'max_depth' => $args['max_depth'],
									'before'    => '<div class="reply">',
									'after'     => '</div>',
								) ) );
							?>

I would really appreciate if you could take a look! ??