1 – Download the following plugin
2 – Install the plugin, then go to wp-admin > Instagram feed > Settings > configure tab.
3 – Click on the “Connect an Instagram Account” button. Before this make sure you are logged in on your Instagram account on your browser.
4 – Then, click on the “Connect” button. And then accept all access request messages.
5 – After that, you will be redirected to the plugin page automatically and you will see your Instagram user name on a popup message. Click on the “Connect this account” button and, all done!