This tutorial shows how change the post/page status and visibility in WordPress.
To change the post/page status and visibility, you should do the following:
Log into your WorpPress admin panel.
Navigate to Pages->All pages or Posts-> All posts.
Select the page/post you want to edit.
In Publish section on the top right you will find Visibility field.
Please select desired option:
In Publish section on the top right you will find Status field.
Please select Draft status:
Save settings using Update button.
You can find more details following this link.
Feel free to check the detailed video tutorial below: