This article will show you how to duplicate (i.e. create a copy of) an article that will not be affected by changes to the original article.
If you would like to have a copy of an article that has it's changes reflected in all copies of the article, you will want to reference the article (click here for more details).
Click into the Manual and then the Chapter where the article resides.
Click the menu icon to the far right of the article you want to copy. Then click Duplicate.
Use the filters or scroll to find the article you want to copy.
To the right of the article title, click the down arrow to reveal more options. Then click Duplicate.