How do I change a page's template?
Every page can be assigned a Page Template that determines the behavior of the page. Using the "Default Template" is recommended for all pages.
However, if you would like a page to list the Posts on your site, you can use the "Posts Page" template as described below:
To change a page template, edit the page and select the appropriate choice from the Template drop-down menu on the right side of the editing window:
Click the Update button to save your changes. Select "Default Template" if you want to revert back to a page that does not display your site's posts.