How to MENU SETTINGS, step by step to configure menu. This article gives you idea, before publishing a Content (article).
if you have already published article then you will have to go >>
- click on content – all contents showing there. you can search your article, which you want to edit.
- click on Edit
How to create and publish article (content) . See my previous post: Drupal 8:Create and Publish Content
Above pic showing that, how to set menu settings
Step 1: Check Provide a menu link
Step 2: Set Menu Link Title which will show on front-end menu name.
Step 3: Make here Parent item or child.
Step 4: Put Weight: Menu links with lower weights are displayed before links with higher weights.
My First Menu Drupal 8: