WordPress posts showing up in all pages, why?

How come it’s doing this

you might know best – as you haven’t given any info for anybody else to check this.

check ‘the loop’ and any query before the loop;
or create a page.php without any custom query before the loop.

https://codex.www.ads-software.com/Theme_Development
https://codex.www.ads-software.com/The_Loop
https://codex.www.ads-software.com/Template_Hierarchy

I’m using localhost xampp to work on my theme. I’m following a tutorial from amberwienburg using her hyjinks template.

I have this in my index.php

<?php query_posts('pagename=Home'); if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
    	<div id="content_main">
		<h2><?php the_title();?></h2>
		<?php the_content();?>

and in my page.php file I just have

<?php if (have_posts()) ; ?>

	<?php while (have_posts()) : the_post(); ?>
        <div id="content_wrap">

    	<div id="content_main">
		<h2><?php the_title();?></h2>
		<?php the_content(); ?>

Sorry I’m new to wordpress.

Well I’ve been trying to figure out the problem going back and forth editing page.php and index.php, checking my header, etc. I can’t seem to find the problem.

I took away query_posts('pagename=Home');

edited what ever else and still all I’m getting is recent posts showing up in my pages instead of content pages.

found out the error myself

Why don’t you explain what you did so you can help others out who may have the same issue?