You can use pre_get_posts
in your functions file for this with the WP_Query
order and orderby parameters.
function alter_query( $query ) {
if ( $query->is_archive() && $query->is_main_query() && !is_admin()) {
$query->set( 'posts_per_page', 100 );
}
}
add_action( 'pre_get_posts', 'alter_query' );