To create new pages navigate to Website > New page, choose the type of page BlogAdd the tag latest_news_home to show this section on homepage
Posts & subpages to create New Post this Blog post edit to open this page see below screenshot.
This Blog Post to add text under the content section and Files to upload the image.
Note: If you want to show the Instagram feed on the blog detail page in the right sidebar, please open the _instagram_feed.html file and add the Instagram script.
Websites > Theme > Files > _instagram_feed.html