How To Add Posted By Line Below Post Title

1.Log in to your dashboard--> layout- -> Edit HTML
2.Click on "Expand Widget Templates"
3.Scroll down to where you see this:
<span class='post-author'>
<b:if cond='data:top.showAuthor'>
<data:top.authorLabel/> <data:post.author/>
</b:if>
</span>
4.CUT above code and paste it in the same blog widget below this line :
<div class='post-body'>


5.Click on "Save Templates" and refresh your site.