$arguments = array(
            'post_type'      =>  'post',
            'posts_per_page' =>  5,
            'date_query' => array(
                'after' => '2 months ago',
            ),
            'meta_query'    => array(
                'key'       => '_post_views_count'
            ),
            'meta_key'     => '_post_views_count',
            'orderby'        => 'meta_value_num',
            'order'          => 'DESC',
            'post_status'    => 'publish'
        );

        $popular_posts = new WP_Query ( $arguments );