1.Log in Joomla in the administrator section, click the Component menu, select Tag
2.Show list the Tag ,press New to create a Tag.
3.Enter tag name to create in Title.
4.Description used to describe what a Tag is about?
5.Choose Status as Published.
6.Press Save & Close
7.Click the Content menu, select Articles, press Add New Article.
8.Put the article title in Title and type the content into the Content section.
9.Featured Select Yes to Featured Article.
10.In the Tag section, it will have the Tag Name created.
11.Or create a Tag by typing the Tag Name and press Enter.
12.Press Save & Close
13.Open a Joomla web page to view the results
14.When you click on Tag, it will display all articles with this tag